Resistances bludgeoning, lightning, piercing, slashing
Immunities poison, thunder, exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained, unconscious
Air Form: It can enter a creature's space & stop there. It can move through a space as narrow as 1" without expending extra movement
 

Multiattack: 2 Thunderous Slam
Thunderous Slam: +8, 10'r 14(2d8+5) Thunder
Whirlwind (Recharge 4-6): 1 M or smaller creature in its space 24(4d10+2) Thunder & pushed up to 20' straight away from the elemental & is Prone. STR Save DC 13: ½ dmg only

Bite: +6, 5'r 15(2d10+4) Piercing
Claws: +6, 5'r 8(1d8+4) Slashing & if L or smaller & the allosaurus moved 30+' straight toward it immediately before the hit, is Prone & the allosaurus can make 1 Bite attack against it

Immunities poison, psychic, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
 

Multiattack: 2 Slam
Slam: +4, 5'r 5(1d6+2) Bludgeoning

Immunities poison, psychic, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
 

Slash: +4, 5'r 6(1d8+2) Slashing

Immunities poison, psychic, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
 

Smother: +5, 5'r 10(2d6+3) Bludgeoning & if M smaller, the rug can Grapple (escape DC 13) it instead of dealing damage. Until the grapple ends, the target is Blinded & Restrained, is suffocating & takes 10(2d6+3) Bludgeoning at the start of each of its turns. The rug can smother only 1 creature at a time.
  While grappling the target, the rug can't take this action, the rug halves the damage it takes (round down) & the target takes the same amount of damage

Tunneler: can burrow through solid rock at half its Burrow Speed & leaves a 10'-diameter tunnel in its wake
 

Bite: +5 (with Advantage if target Grappled)
5'r 10(2d6+3) Slashing + 3(1d6) Acid.& if L or smaller, it is Grappled (escape DC 13)
Acid Spray (Recharge 6): each in a 30-foot-long, 5-foot-wide Line 14(4d6) Acid
DEX Save DC 12: ½ dmg

Immunities poison, psychic, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
 

Multiattack: 2 Tail
Tail: +6, 10'r 9(1d10+4) Bludgeoning & if H or smaller, is Prone

Immunities poison, psychic, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
 

Multiattack: 2 Fist
Fist: +5, 5'r 5(1d4+3) Bludgeoning
Rock (Recharge 6): +5, range 25/50' 10(2d6+3) Bludgeoning

Immunities poison, psychic, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
 

Multiattack: 2 Bite
Bite: +6, 5'r 14(3d6+4) Piercing

Skills Acrobatics +7, Perception +6, Stealth +10
Resistances poison
Evasion: If subjected to an effect that allows a DEX Save to take only ½ dmg, takes none if successful & only ½ if it fails. Can't use this trait if Incapacitated
 

Multiattack: 3; Shortsword or Light Crossbow in any combination
Shortsword: +7, 5'r 7(1d6+4) Piercing + 17(5d6) Poison & Poisoned until the start of the assassin's next turn
Light Crossbow: +7, range 80'/320' 8(1d8+4) Piercing + 21(6d6) Poison
 

BONUS ACTIONS

Cunning Action: Take Dash, Disengage, or Hide action

Vulnerabilities fire
Resistances piercing
 

Rake: +1, 5'r 1 Slashing

Damage Vulnerabilities fire
Resistances bludgeoning, piercing
 

Slam: +6, 10'r 13(2d8+4) Bludgeoning

Beak: +4, 5'r 5(1d6+2) Slashing

Immunities fire, poison, poisoned
Fire Aura: At the end of each of the azer's turns, each creature of the azer's choice in a 5' Emanation originating from the azer takes 5(1d10) Fire unless the azer is Incapacitated
Illumination: The azer sheds Bright Light in a 10' r. & Dim Light for an additional 10'
 

Burning Hammer: +5, 5'r 8(1d10+3) Bludgeoning + 3(1d6) Fire

Pack Tactics: The baboon has Advantage on an attack roll against a creature if at least 1 of the baboon's allies is within 5' of the creature & the ally doesn't have the Incapacitated condition
 

Bite: +1, 5'r 1(1d4-1) Piercing

Skills: Perception +3
Resistances poison
 

Bite: +2, 5'r 1 Piercing

Scimitar: +3, 5'r 4(1d6+1) Slashing
Light Crossbow: +3, range 80'/320' 5(1d8+1) Piercing

Skills Athletics +4, Deception +4
 

Multiattack: 2; Scimitar & Pistol in any combination
Scimitar: +5, 5'r 6(1d6+3) Slashing
Pistol: +5, range 30'/90' 8(1d10+3) Piercing
 

REACTIONS

Parry: If hit by a melee attack while holding a weapon, has +2 AC vs that attack

Skills Deception +5, Insight +5, Perception +8
Resistances cold
Immunities fire, poison, poisoned
Barbed Hide: At the start of each of its turns, it deals 5(1d10) Piercing to any creature it is grappling or any creature grappling it
Diabolical Restoration: If it dies outside Nine Hells, it disappears in sulfurous smoke & gains a new body w. full hp in the Nine Hells
Magic Resistance: Advantage on Saves vs. spells & other magical effects
 

Multiattack: 1 Claws & 1 Tail, or 2 Hurl Flame
Claws: +6, 5'r 10(2d6+3) Piercing. If target is a L or smaller, it is Grappled (escape DC 13)
Tail: +6, 10'r 14(2d10+3) Slashing
Hurl Flame: +5, range 150' 17(5d6) Fire. If target is a flammable object not being worn or carried, it starts burning

Skills Deception +5, Insight +5, Perception +8
 

Bite: +5, 5'r 10(2d6+3) Piercing + 7(2d6) Poison
 

BONUS ACTIONS

Petrifying Gaze (Recharge 4-6): each in a 30' Cone; CON Save DC 12 or Restrained; target repeats the Save at the end of its next turn if it is still Restrained
2nd Failure: Target is Petrified instead of Restrained
If the Basilisk sees its reflection within the Cone, it must Save

Bite: +4, 5'r 1 Piercing

Resistances cold
Immunities fire, poison, frightened, poisoned
Magic Resistance: Advantage on Saves vs. spells & other magical effects
 

Multiattack: 1 Beard attack & 1 Infernal Glaive attack
Beard: +5, 5'r 7(1d8+3) Piercing & Poisoned - target can't regain HP - until the start of the devil's next turn
Infernal Glaive: +5, 10'r 8(1d10+3) Slashing. CON Save DC 12 or inflicts Infernal Wound (if doesn't already have one): target loses 5(1d10) HP at the start of each of its turns. Wound closes after 1 min; or after a spell restores HP; or after wound is stanched with a DC 12 Wisdom (Medicine) check

Bloodied Frenzy: While Bloodied, the berserker has Advantage on attack rolls & saving throws
 

Greataxe: +5, 5'r 9(1d12+3) Slashing

Multiattack: 2 Rend attacks
Rend: +4, 5'r 5(1d6+2) Slashing

Immunities acid, cold, lightning, slashing, charmed, deafened, exhaustion, frightened, grappled, prone, restrained
Amorphous: Fit through as narrow as 1" no extra move
Corrosive Form: Creature hitting it takes 4(1d8) Acid. Nonmagical ammo that hits destroyed. Nonmagical weapons -1 (cum.) to attack on contact; destroyed if >-4; Mending can fix. Eat through 2' wood/metal in 1min
Spider Climb: Walls or ceilings: no check req
 

Dissolving Pseudopod: +5, 10'r 17(4d6+3) Acid. Nonmagical armor takes -1 AC; destroyed if reduced to 10. Mending spell removes penalty

REACTIONS

Split: If L or M & has 10+hp, becomes Bloodied or is hit with Lightning or Slashing, splits in 2. Each 1 size smaller; hp 1/2 (round down)

Skills Perception +5, Stealth +5
 

Bite: +5, 5'r 5(1d4+3) Piercing
 

BONUS ACTIONS

Teleport (Recharge 4-6): The dog teleports up to 40' to an unoccupied space it can see

Skills Perception +6
Pack Tactics: Advantage on an attack roll against a creature if at least 1 of its allies is within 5' of the creature
 

Beak: +4, 5'r 4(1d4+2) Piercing or 6(1d8+2) Piercing if Bloodied

Bloodied Fury: While Bloodied, the boar has Advantage on attack rolls
 

Gore: +3, 5'r 4(1d6+1) Piercing & if M or smaller & the boar moved 20+' straight toward it immediately before the hit, takes an extra 3(1d6) Piercing & is Prone

Skills Deception +7, Insight +6
Resistances cold
Immunities fire, poison, poisoned
Diabolical Restoration: If it dies outside the Nine Hells, its body disappears in sulfurous smoke & it revives with full HP in the Nine Hells
Magic Resistance: Advantage on saving throws against spells & other magical effects
 

Multiattack: 2 Claw attacks & 1 Infernal Sting attack
Claw: +8, 10'r 13(2d8+4) Slashing
Infernal Sting: +8, 10'r 15(2d10+4) Piercing plus 18(4d8) Poison & Poisoned - can't regain HP - until the start of the devil's next turn

Skills Perception +3
 

Multiattack: 1 Bite attack & 1 Claw attack
Bite: +5, 5'r 7(1d8+3) Piercing
Claw: +5, 5'r 5(1d4+3) Slashing & if L or smaller, is Prone

Skills Stealth +6, Survival +3
Abduct: no extra movement to move a creature it is grappling
 

Multiattack: 2 Javelin or Morningstar attacks
Javelin: +5, 10'r or range 30/120' 13(3d6+3) Piercing
Morningstar: +5 (with Advantage if Grappled by the bugbear), 10'r 12(2d8+3) Piercing
 

BONUS ACTIONS

Quick Grapple: 1 M or smaller creature within 10' DEX Save DC 13 or Grappled (escape DC 13);

Skills Perception +6
 

Multiattack: 2 Bite attacks
Bite: +7, 5'r 17(2d12+4) Piercing
Deadly Leap: Spends 5' of movement to jump to a space within 15' that contains 1 or more L or smaller creatures who take 19(3d12) Bludgeoning & knocked Prone. DEX Save DC 15: ½ dmg & the target is pushed 5' straight away from the bulette instead
 

BONUS ACTIONS

Leap: Jumps up to 30' by spending 10' of movement

Bite: +4, 5'r 4(1d4+2) Bludgeoning

Skills Perception +3, Stealth +4
Jumper: The cat's jump distance is determined using its Dexterity rather than its Strength
 

Scratch: +4, 5'r 1 Slashing

Skills Athletics +6, Perception +3
 

Multiattack: 2 attacks; Pike or Longbow in any combination
Pike: +6, 10'r 9(1d10+4) Piercing
Longbow: +4, range 150/600' 6(1d8+2) Piercing
 

BONUS ACTIONS

Trampling Charge (Recharge 5-6): moves up to its Speed without provoking Opportunity Attacks & can move through the spaces of M or smaller creatures. Strength Save DC 14 or each creature whose space the centaur enters takes 7(1d6+4) Bludgeoning & is Prone

Skills Perception +8
 

Multiattack: 1 Ram attack, 1 Bite attack & 1 Claw attack. It can replace the Claw attack with a use of Fire Breath if available
Bite: +7, 5'r 11(2d6+4) Piercing, or 18(4d6+4) Piercing if the chimera had Advantage on the attack roll
Claw: +7, 5'r 7(1d6+4) Slashing
Ram: +7, 5'r 10(1d12+4) Bludgeoning & if M or smaller, is Prone
Fire Breath (Recharge 5-6): each in a 15' Cone 31(7d8) Fire. DEX Save DC 15: ½ dmg

Skills Perception +4
Immunities poison, poisoned
Amphibious: Can breathe air & water
Sense Magic: Senses magic within 120' of itself. This trait otherwise works like the Detect Magic spell but isn't itself magical
 

Multiattack: 2 Pincer attacks & uses Paralyzing Tentacles
Pincer: +6, 10'r 9(1d10+4) Bludgeoning & if L or smaller, is Grappled (escape DC 14) from 1 of 2 pincers
Paralyzing Tentacles: 1 creature CON Save DC 13 or Grappled, Poisoned & Paralyzed; target repeats the Save at the end of each of its turns; automatic success after 1 min

Resistances bludgeoning, piercing, slashing
Immunities acid, poison, psychic, charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Acid Absorption: When subjected to Acid, no damage: regains hp equal to the Acid
Berserk: If starts turn Bloodied, roll 1d6: 6 = goes berserk & attacks nearest creature. If none near, attacks an object. Stays berserk until destroyed or no longer Bloodied
Immutable Form: can't shape-shift
Magic Resistance: Advantage on Saves vs. spells & other magical effects

Multiattack: 2 Slam attacks, or it makes 3 Slam attacks if it used Hasten this turn
Slam: +9, 5'r 10(1d10+5) Bludgeoning + 6(1d12) Acid & target's hp max decreases equal to the Acid

BONUS ACTIONS

Hasten (Recharge 5-6): Dash & Disengage

Skills Stealth +5
Immunities frightened
Light Sensitivity: Disadvantage on attack rolls in Bright Light

Multiattack: 1 Attach attack & 2 Tail attacks
Attach: +6, 5'r 13(3d6+3) Piercing. If target is L or smaller, it attaches to it. While attached, target is Blinded & the cloaker can't Attach to others; cloaker halves dmg it takes (round down) & target takes same damage
Can detach itself by spending 5' of movement. Target or a creature within 5' can take an action to try to detach it: DC 14 STR (Athletics)
Tail: +6, 10'r 8(1d10+3) Slashing

BONUS ACTIONS

Moan: each in a 60' Emanation DC 13 WIS Save (& immune for 24 hrs) or is Frightened until end of cloaker's next turn
Phantasms: casts (WIS:+2) Mirror Image. Ends early if it starts or ends its turn in Bright Light

Skills Insight +7, Perception +11
 

Multiattack: 2 attacks: Thunderous Mace or Thundercloud in any combination. It can replace 1 attack with Spellcasting to cast Fog Cloud
Thunderous Mace: +12, 10'r 21(3d8+8) Bludgeoning + 7(2d6) Thunder
Spellcasting: 1 of the following, no M components, using CHA (+3)(spell save DC 15):

At will: Detect Magic, Fog Cloud, Light
1/day each: Control Weather, Gaseous Form, Telekinesis

Thundercloud: +12, range 240' 18(3d6+8) Thunder & Incapacitated until the end of its next turn
 

BONUS ACTIONS

Misty Step: Misty Step spell, using CHA

Immunities petrified
 

Petrifying Bite: +3, 5'r 3(1d4+1) Piercing + CON Save DC 11 or is Restrained; repeats the save at the end of its next turn
2nd Failure: Petrified for 24 hrs

Training: proficiency in 1 skill of the DM's choice & has Advantage whenever it makes an ability check using that skill
 

Club: +2, 5'r 2(1d4) Bludgeoning

Skills Perception +2, Stealth +4
 

Bite: +4, 5'r 6(1d8+2) Piercing
Constrict: 1 M or smaller creature within 5' STR Save DC 12 or 7(3d4) Bludgeoning & is Grappled (escape DC 12)

Skills Stealth +2
Amphibious: The crab can breathe air & water
 

Claw: +2, 5'r 1 Bludgeoning

Skills Stealth +2
Hold Breath: Can hold its breath for 1 hour
 

Bite: +4, 5'r 6(1d8+2) Piercing
If the target is M or smaller, it is Grappled (escape DC 12) & Restrained

Skills Deception +2, Religion +2
 

Ritual Sickle: +3, 5'r 3(1d4+1) Slashing plus 1 Necrotic

Skills Deception +3, Persuasion +3, Religion +2
 

Pact Blade: +4, 5'r 6(1d8+2) Slashing plus 7(2d6) Necrotic
Spellcasting: 1 of the following, using WIS (spell save DC 12, +4 to hit):

At will: Light, Thaumaturgy
2/day: Command
1/day: Hold Person
 

BONUS ACTIONS

Spiritual Weapon (2/Day): The cultist casts the Spiritual Weapon spell, using WIS

Skills Stealth +3
 

Crush: +5, 5'r 6(1d6+3) Bludgeoning & it attaches to the target. If target is M or smaller & it had Advantage on the attack, it covers the target, which is Blinded & suffocating.
  While attached to a target, the darkmantle can attack only the target but has Advantage on its attack rolls. Its Speed becomes 0, it can't benefit from any bonus to its Speed & it moves with the target.
  A creature can take an action to try to detach the darkmantle from itself, with a successful DC 13 STR (Athletics) check. On its turn, the darkmantle can detach itself by using 5' of movement
Darkness Aura (1/Day): Magical Darkness fills a 15' Emanation, which lasts while the darkmantle maintains Concentration, up to 10 minutes. Darkvision can't penetrate this area & no light can illuminate it

Skills Perception +5, Stealth +4
Immunities blinded, charmed, deafened, frightened, stunned, unconscious
 

Multiattack: 2 Bite attacks
Bite: +4, 5'r 4(1d4+2) Piercing & CON Save DC 12 or Poisoned - hp max doesn't return to normal via a Long Rest. Target repeats the Save every 24hrs. Subsequent Failures: The Poisoned target's hp max decreases by 5(1d10)

Skills Perception +4
Agile: doesn't provoke an Opportunity Attack when it moves out of an enemy's reach
 

Ram: +2, 5'r 2(1d4) Bludgeoning

Skills Insight +9, Perception +9
Resistances radiant
Immunities charmed, exhaustion, frightened
Exalted Restoration: If it dies outside Mount Celestia, it disappears & instantly gains a new body with full hp in Mount Celestia
Magic Resistance: Advantage on Saves vs spells & other magical effects

Multiattack: 2 Holy Mace attacks
Holy Mace: +8, 5'r 7(1d6+4) Bludgeoning + 18(4d8) Radiant
Spellcasting: 1 of the following, no M components, using CHA (Save DC 17):

At will: Detect Evil & Good, Shapechange (Beast or Humanoid form, no Temp hp & no Concentration or Temp hp req. to maintain it)
1/day each: Commune, Raise Dead

BONUS ACTIONS

Divine Aid (2/Day): Casts Cure Wounds, Lesser Restoration, or Remove Curse

Skills Perception +5, Stealth +4
Pack Tactics: Advantage on an attack against a creature if an ally is within 5'
 

Bite: +5, 5'r 8(1d10+3) Piercing. If the target is L or smaller, it is Prone

Skills Deception +6, Insight +3
Immunities charmed
 

Multiattack: 2 Slam attacks & uses Unsettling Visage if available
Read Thoughts: casts Detect Thoughts, no spell components, using CHA (spell save DC 12)
Slam: +6 (with Advantage during the 1st round of each combat), 5'r 11(2d6+4) Bludgeoning
Unsettling Visage (Recharge 6): Each in a 15' Emanation that can see it WIS Save DC 12 or is Frightened; target repeats the Save at the end of each of its turns (automatic success after 1 min)
 

BONUS ACTIONS

Shape-Shift: Shape-shifts into a M or S Humanoid, or returns to its true form. Stats are the same in each form (except Size). Any equipment isn't transformed

Hooves: +6, 5'r 6(1d4+4) Bludgeoning

Skills Perception +4, Stealth +4
Immunities acid
Amphibious: The dragon can breathe air & water
 

Multiattack: 2 Rend attacks
Rend: +4, 5'r 5(1d6+2) Slashing plus 2(1d4) Acid
Acid Breath (Recharge 5-6): Each in a 15-foot-long, 5-foot-wide Line: 22(5d8) Acid. DEX Save DC 11: ½ dmg

Skills Perception +6, Stealth +5
Immunities acid
Amphibious: The dragon can breathe air & water
 

Multiattack: 3 Rend attacks
Rend: +7, 10'r 9(2d4+4) Slashing + 3(1d6) Acid
Acid Breath (Recharge 5-6): each in a 30'l, 5'w Line. 49(14d6) Acid. DEX Save DC 14: ½ dmg

Skills Perception +4, Stealth +2
Immunities lightning
 

Multiattack: 2 Rend attacks
Rend: +5, 5'r 8(1d10+3) Slashing plus 3(1d6) Lightning
Lightning Breath (Recharge 5-6): each in a 30'l, 5'w Line; 21(6d6) Lightning. DEX Save DC 12 ½ dmg

Skills Perception +9, Stealth +4
Immunities lightning
 

Multiattack: 3 Rend attacks
Rend: +9, 10'r 12(2d6+5) Slashing plus 5(1d10) Lightning
Lightning Breath (Recharge 5-6): each in a 60'l, 5'w Line 55(10d10) Lightning; DEX Save DC 16: ½ dmg

Skills Perception +4, Stealth +2
Immunities fire
 

Rend: +4, 5'r 7(1d10+2) Slashing
Fire Breath (Recharge 5-6): each in a 20'l, 5'w Line; 14(4d6) Fire. DEX Save DC 11: ½ dmg
Sleep Breath: each in a 15' Cone; CON Save DC 11 or Incapacitated until the end of its next turn. 2nd Failure: Unconscious for 1 min. Ends if target takes damage or someone within 5' attempts to wake them

Skills Perception +6, Persuasion +5, Stealth +3
Immunities fire
 

Multiattack: 3 Rend attacks. It can replace 2 with a use of Sleep Breath
Rend: +7, 10'r 15(2d10+4) Slashing
Fire Breath (Recharge 5-6): each in a 40'l, 5'w Line; 38(11d6) Fire. DEX Save DC 14: ½ dmg
Sleep Breath: each in a 30' Cone CON Save DC 14 or Incapacitated until the end of its next turn. 2nd Failure: Unconscious for 1 min or if takes damage or someone attempts to wake it

Skills Perception +4, Stealth +2
Immunities lightning
Amphibious: The dragon can breathe air & water
 

Multiattack: 2 Rend attacks
Rend: +5, 5'r 8(1d10+3) Slashing
Lightning Breath (Recharge 5-6): each in a 40'l, 5'w Line; 16(3d10) Lightning. DEX Save DC 12: ½ dmg
Repulsion Breath: each in a 30' Cone STR Save DC 12 or pushed up to 30' straight away from the dragon & is Prone

Skills Insight +4, Perception +7, Stealth +3
Immunities lightning
Amphibious: Can breathe air & water
 

Multiattack: 3 Rend attacks. Can replace 1 with a use of Repulsion Breath
Rend: +8, 10'r 16(2d10+5) Slashing
Lightning Breath (Recharge 5-6): each in a 60'l, 5'w Line; 49(9d10) Lightning. DEX Save DC 15: ½ dmg
Repulsion Breath: each in a 30' Cone STR Save DC 15 or pushed up to 40' straight away from the dragon & is Prone

Skills Perception +4, Stealth +3
Immunities acid
 

Rend: +4, 5'r 7(1d10+2) Slashing
Acid Breath (Recharge 5-6): each in a 20'l, 5'w Line; 18(4d8) Acid. DEX Save DC 11: ½ dmg
Slowing Breath: each in a 15' Cone CON Save DC 11 or can't take Reactions; Speed is ½ & can take either an action or a Bonus Action on its turn, not both. Lasts until the end of its next turn.

Skills Deception +5, Perception +7, Stealth +4
Immunities acid
 

Multiattack: 3 Rend attacks. Can replace 1 with a use of Slowing Breath
Rend: +7, 10'r 15(2d10+4) Slashing
Acid Breath (Recharge 5-6): each in a 40'l, 5'w Line; 40(9d8) Acid. DEX Save DC 14: ½ dmg
Slowing Breath: each in a 30' Cone CON Save DC 14 or can't take Reactions; Speed is ½ & can only take either an action OR a Bonus Action on its turn. Lasts until the end of its next turn

Skills Perception +4, Stealth +4
Immunities fire
Amphibious: Can breathe air & water
 

Multiattack: 2 Rend attacks
Rend: +6, 5'r 9(1d10+4) Slashing
Fire Breath (Recharge 5-6): each in a 15' Cone; 22(4d10) Fire. DEX Save DC 13: ½ dmg
Weakening Breath:each in a 15' Cone; STR Save DC 13 or have Disadvantage on STR-based D20 Tests & subtract 2(1d4) from dmg rolls. Target repeats Save at the end of each of its turns; automatic success after 1 min

Skills Insight +5, Perception +9, Persuasion +9, Stealth +6
Immunities fire
Amphibious: Can breathe air & water
 

Multiattack: 3 Rend attacks. Can replace 1 with a use of Weakening Breath
Rend: +10, 10'r 17(2d10+6) Slashing
Fire Breath (Recharge 5-6): each in a 30' Cone; 55(10d10) Fire. DEX Save DC 17: ½ dmg
Weakening Breath: each in a 30' Cone; STR Save DC 17 or has Disadvantage on STR-based Tests & subtracts 3(1d6) from dmg rolls; target repeats the Save at the end of each of its turns; automatic success after 1 min

Skills Perception +4, Stealth +3
Immunities poison, poisoned
Amphibious: Can breathe air & water
 

Multiattack: 2 Rend attacks
Rend: +4, 5'r 7(1d10+2) Slashing + 3(1d6) Poison
Poison Breath (Recharge 5-6): each in a 15' Cone; 21(6d6) Poison. CON Save DC 11: ½ dmg

Skills Deception +5, Perception +7, Stealth +4
Immunities poison, poisoned
Amphibious: Can breathe air & water
 

Multiattack: 3 Rend attacks
Rend: +7, 10'r 11(2d6+4) Slashing + 7(2d6) Poison
Poison Breath (Recharge 5-6): each in a 30' Cone; 42(12d6) Poison. CON Save ½ dmg

Skills Perception +4, Stealth +2
Immunities fire
 

Skills Perception +8, Stealth +4
Immunities fire
 

Multiattack: 3 Rend attacks
Rend: +10, 10'r 13(2d6+6) Slashing + 3(1d6) Fire
Fire Breath (Recharge 5-6): each in a 30' Cone; 56(16d6) Fire. DEX Save DC 17: ½ dmg

Skills Perception +4, Stealth +2
Immunities cold
 

Multiattack: 2 Rend attacks
Rend: +6, 5'r 9(1d10+4) Piercing
Cold Breath (Recharge 5-6): each in a 15' Cone; 18(4d8) Cold. CON Save DC 13: ½ dmg
Paralyzing Breath: each in a 15' Cone CON Save DC 13 or Incapacitated until the end of its next turn; repeats the save at the end of each of its turns; automatic success after 1 min. 2nd Failure: Target is Paralyzed

Skills History +6, Perception +8, Stealth +4
Immunities cold
 

Multiattack: 3 Rend attacks. It can replace 1 attack with a use of Paralyzing Breath
Rend: +10, 10'r 15(2d8+6) Slashing
Cold Breath (Recharge 5-6): each in a 30' Cone; 49(11d8) Cold; CON Save DC 17: ½ dmg
Paralyzing Breath: each in a 30' Cone CON Save DC 17 or Incapacitated until the end of its next turn; repeats the save at the end of each of its turns; automatic success after 1 min. 2nd Failure: Paralyzed

Skills Perception +4, Stealth +2
Immunities cold
Ice Walk: Can move across & climb icy surfaces without an ability check. Difficult Terrain of ice/snow doesn't cost extra movement
 

Multiattack: 2 Rend attacks
Rend: +4, 5'r 6(1d8+2) Slashing + 2(1d4) Cold
Cold Breath (Recharge 5-6): each in a 15' Cone; 22(5d8) Cold. CON Save DC 12: ½ dmg

Skills Perception +6, Stealth +3
Immunities cold

Ice Walk: Can move across & climb icy surfaces without an ability check. Additionally, Difficult Terrain of ice/snow doesn't cost extra movement
 

Multiattack: 3 Rend attacks
Rend: +7, 10'r 9(2d4+4) Slashing + 2(1d4) Cold
Cold Breath (Recharge 5-6): each in a 30' Cone; 40(9d8) Cold. CON Save DC 15: ½ dmg

Resistances fire
Amphibious: Can breathe air & water
 

Multiattack: 3 Bite attacks. Can replace 1 with a Tail attack
Bite: +13, 15'r 23(3d10+7) Piercing + 7(2d6) Fire. Being underwater doesn't grant Resistance to this Fire
Tail: +13, 15'r 18(2d10+7) Bludgeoning. If target is H or smaller, it is Prone
Steam Breath (Recharge 5-6): each in a 60' Cone; Fire. CON Save DC 19: ½ dmg. Being underwater doesn't grant Resistance to this Fire

Resistances cold, fire, lightning
Immunities poison, poisoned
 

Rend: +3, 5'r 4(1d6+1) Slashing
Fetid Cloud (1/Day): each in 10' Emanation CON Save DC 11 or Poisoned until the end of its next turn; can take either an action OR a Bonus Action on its turn, not both & can't take Reactions

Skills Perception +6, Stealth +10
Spider Climb: Walls or ceilings: no check req
Sunlight Sensitivity: While in sunlight, has Disadvantage on ability checks & attack rolls
Web Walker: Moves normally in webs & knows the location of any other creature in contact with the same web
 

Multiattack: 3 attacks; Foreleg or Poison Burst in any combination
Foreleg: +7, 10'r 13(2d8+4) Piercing
Poison Burst: +6, range 120' 13(3d6+3) Poison
 

BONUS ACTIONS

Magic of the Spider Queen (Recharge 5-6): Casts Darkness, Faerie Fire, or Web, no M components, using Wisdom (spell save DC 14)

Skills Perception +2, Stealth +4
Fey Ancestry. Advantage on Saves vs charm, and magic cannot put it to sleep
Sunlight Sensitivity. Disadvantage on attacks & WIS (Perception) checks relying on sight 
 

Shortsword: +4, 5'r 5(1d6+2) Piercing
Hand Crossbow: +4, range 30/120' 5(1d6+2) Piercing & CON Save DC 13 or Poisoned for 1hr; If fails by 5 or more, is unconscious
Innate Spellcasting cast 1 of the following using CHA (spell Save DC 11):

At will: dancing lights
1/day each: darkness, faerie fire
 

Duergar Resilience:  Advantage on Saves vs poison, spells, & illusions, & resist being charmed or paralyzed
Resistances: Poison
Sunlight Sensitivity: Disadvantage on attacks & WIS (Perception) checks relying on sight
Invisibility: (1x/Short or Long Rest) lasts 1hr or until it attacks, deals damage, casts a spell,, Enlarge, or Concentration is broken. Anything worn or carried is also invisible
 

War Pick: +4 5'r. 6(1d8+2) Piercing or 11(2d8+2) Piercing damage if Enlarged
Javelin: +4 5'r. or range 30/120' 5(1d6+2) Piercing, or 9(2d6+2) Piercing if Enlarged

Skills Medicine +5, Nature +3, Perception +5
 

Multiattack: 2 attacks; Vine Staff or Verdant Wisp in any combination
Vine Staff: +5, 5'r 7(1d8+3) Bludgeoning + 2(1d4) Poison
Spellcasting: 1 of the following, using WIS (spell save DC 13):

At will: Druidcraft, Speak with Animals
2/day each: Entangle, Thunderwave
1/day each: Animal Messenger, Longstrider, Moonbeam

Verdant Wisp: +5, range 90' 10(3d6) Radiant

Skills Perception +4, Stealth +5
Magic Resistance: Advantage on Saves vs spells & other magical effects
Speak with Beasts & Plants: Can communicate with Beasts & Plants
 

Multiattack: 1 Vine Lash or Thorn Burst & can cast Charm Monster
Vine Lash: +6, 10'r 8(1d8+4) Slashing
Spellcasting: no M components, using CHA (spell save DC 14):

At will: Animal Friendship, Charm Monster (lasts 24 hrs; or until cast again), Druidcraft
1/day each: Entangle, Pass without Trace

Thorn Burst: +6, range 60' 7(1d6+4) Piercing
 

BONUS ACTIONS

Tree Stride: If within 5' of a L or bigger tree, the dryad teleports to an unoccupied space within 5' of a 2nd L or bigger tree that is within 60'

Skills Perception +2, Stealth +4
Damage Vulnerabilities fire
Immunities poison, exhaustion, poisoned
Death Burst: Explodes when it dies; 5' Emanation; 5(2d4) Bludgeoning. DEX Save DC 10: ½ dmg
 

Claw: +4, 5'r 4(1d4+2) Slashing
Blinding Breath (Recharge 6): each in a 15' Cone DEX Save DC 10 or Blinded until the end of the mephit's next turn
Sleep (1/Day): Casts the Sleep spell, no spell components, using CHA (spell save DC 10)

Skills Perception +6
 

Talons: +4, reach 5'. 4(1d4+2) Slashing

Damage Vulnerabilities thunder
Immunities poison, exhaustion, paralyzed, petrified, poisoned, unconscious
Earth Glide: Can burrow through nonmagical, unworked earth & stone; doesn't disturb the material it moves through
Siege Monster: 2× dmg to objects & structures
 

Multiattack: 2 attacks; Slam or Rock Launch in any combination
Slam: +8, 10'r 14(2d8+5) Bludgeoning
Rock Launch: +8, range 60' 8(1d6+5) Bludgeoning. If target is L or smaller, it is Prone

Immunities fire
Elemental Restoration: If it dies outside the Elemental Plane of Fire, body dissolves into ash & it gains a new body in 1d4 days, at full HP on the Plane of Fire
Magic Resistance: Advantage on Saves vs spells & other magical effects
Wishes: 30% knows the Wish spell; only cast on behalf of a non-genie; suffers no stress. Once cast 3×, cannot for 365 days

Multiattack: 3 attacks; Heated Blade or Hurl Flame in any combination
Heated Blade: +10, 5'r 13(2d6+6) Slashing + 13(2d12) Fire
Hurl Flame: +8, range 120' 24(7d6) Fire

Spellcasting: 1 of the following, no M components, using CHA (spell save DC 16):

At will: Detect Magic, Elementalism
1/day each: Gaseous Form, Invisibility, Major Image, Plane Shift, Tongues, Wall of Fire (lvl 7)

Multiattack: 2 Gore attacks
Gore: +8, 5'r 15(2d8+6) Piercing. If the target is a H or smaller & the elephant moved 20+' straight toward it immediately before the hit, the target is Prone
 

BONUS ACTIONS

Trample: 1 creature within 5' that is Prone: 17(2d10+6) Bludgeoning; DEX Save DC 16 ½ dmg

Skills Perception +2
 

Ram: +5, 5'r 6(1d6+3) Bludgeoning. If target is L or smaller & the elk moved 20+' straight toward it immediately before the hit, the target takes an extra 3(1d6) Bludgeoning & is Prone

Skills Perception +3, Stealth +4, Survival +3
Spider Climb: Walls or ceilings: no check req
Web Walker: Moves normally in webs & it knows the location of any other creature in contact with the same web

Multiattack: 1 Bite attack & 1 Claw attack
Bite: +4, 5'r 5(1d6+2) Piercing + 2(1d4) Poison & target is Poisoned until the start of the ettercap's next turn
Claw: +4, 5'r 7(2d4+2) Slashing
Web Strand (Recharge 5-6): 1 L or smaller creature within 30' DEX Save DC 12 or Restrained until web is destroyed (AC 10; HP 5; Vulnerability to Fire; Immunity to Bludgeoning, Poison & Psychic damage)
 

BONUS ACTIONS

Reel: Pulls 1 creature within 30' Restrained by its Web Strand up to 25' straight toward itself