Will-o'-Wisp

Armor Class 19

Hit Points 22 (9d4)

Speed 0 ft., fly 50 ft. (hover)

Initiative +9

Damage Resistances acid; cold; fire; necrotic; thunder; bludgeoning, piercing, slashing from nonmagical attacks

Damage Immunities lightning; poison

Condition Immunities exhaustion; grappled; paralyzed; poisoned; prone; restrained; unconscious

Senses darkvision 120 ft., passive Perception 12

Languages the languages it knew in life

Challenge 2 (450 XP)

Consume Life. As a bonus action, the will-o'-wisp can target one creature it can see within 5 feet of it that has 0 hit points and is still alive. The target must succeed on a DC 10 Constitution saving throw against this magic or die. If the target dies, the will-o'-wisp regains 10 (3d6) hit points.

Ephemeral. The will-o'-wisp can't wear or carry anything.

Incorporeal Movement. The will-o'-wisp can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10) force damage if it ends its turn inside an object.

Variable Illumination. The will-o'-wisp sheds bright light in a 5 to 20-foot radius and dim light for an additional number of ft. equal to the chosen radius. The will-o'-wisp can alter the radius as a bonus action.

Shock. Melee Spell Attack: +4 to hit, reach 5 ft., one creature. 9 (2d8) lightning damage.

Invisibility. The will-o'-wisp and its light magically become invisible until it attacks or uses its Consume Life, or until its concentration ends (as if concentration on a spell).