Tiny Fiend (Devil), Lawful Evil
AC13
Initiative+3 (13)
HP21 (6d4 + 6)
SpeedWalk 20 ft., Fly 40 ft.
STR6
MOD-2
SAVE-2
DEX17
MOD+3
SAVE+3
CON13
MOD+1
SAVE+1
INT11
MOD+0
SAVE+0
WIS12
MOD+1
SAVE+1
CHA14
MOD+2
SAVE+2
SkillsDeception +4, Insight +3, Stealth +5
Damage ResistancesCold
Damage ImmunitiesFire; Poison
Condition ImmunitiesPoisoned
SensesDarkvision 120 ft. (unimpeded by magical Darkness); Passive Perception 11
LanguagesCommon, Infernal
CRCR 1 (XP 200; PB +2)
Traits
Magic Resistance. The imp has Advantage on saving throws against spells and other magical effects.
Actions
Sting. Melee Attack Roll: +5, reach 5 ft. Hit: 6 (1d6 + 3) Piercing damage plus 7 (2d6) Poison damage.
Invisibility. The imp casts Invisibility on itself, requiring no spell components and using Charisma as the spellcasting ability.
Shape-Shift. The imp shape-shifts to resemble a rat (Speed 20 ft.), a raven (20 ft., Fly 60 ft.), or a spider (20 ft., Climb 20 ft.), or it returns to its true form. Its game statistics are the same in each form, except for its Speed. Any equipment it is wearing or carrying isn't transformed.
Found on p.177 of MM2025 (Free Rules)