{{monster,frame
## Will-o'-Wisp
*Tiny Undead, Chaotic Evil*
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**Armor Class** :: 19 (dex)
**Hit Points** :: 22 (9d4)
**Speed** :: 0 ft., fly 50 ft.
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|STR|DEX|CON|INT|WIS|CHA|
|:---:|:---:|:---:|:---:|:---:|:---:|
|1 (-5)|28 (+9)|10 (+0)|13 (+1)|14 (+2)|11 (+0)|
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**Damage Resistances** :: Acid, Cold, Fire, Necrotic, Thunder
**Damage Immunities** :: Lightning, Poison
**Condition Immunities** :: Grappled, Paralyzed, Poisoned, Prone, Restrained, Unconscious, Exhaustion
**Senses** :: darkvision 120 ft., passive perception 12, passive Perception 12
**Languages** :: the languages it knew in life
**Challenge** :: 2 (450 XP)
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***Consume Life.*** As a bonus action, the will-o'-wisp can target one creature it can see within 5 ft. 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.
### Actions
***Shock.*** Melee Spell Attack: +4 to hit, reach 5 ft., one creature. Hit: 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 concentrating on a spell).
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