Imp

Tiny Fiend (Devil), Lawful Evil

STR
6 (-2)
DEX
17 (+3)
CON
13 (+1)
INT
11 (+0)
WIS
12 (+1)
CHA
14 (+2)
Magic Resistance.

The imp has Advantage on saving throws against spells and other magical effects.

Invisibility.

The imp casts Invisibility on itself, requiring no spell components and using Charisma as the spellcasting ability.

At will: Invisibility

Actions

Sting.

Melee Attack Roll: +5, reach 5 ft. Hit: 6 (1d6 + 3) Piercing damage plus 7 (2d6) Poison damage.

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 statistics are the same in each form, except for its Speed. Any equipment it is wearing or carrying isn't transformed.

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Imp

Source: Monster Manual (2025), p. 177 - Licenses and attribution