Will-o’-Wisp

Will-o’-Wisp

Tiny undead · CR 2 · 450 XP

19 AC · 27 HP

Roll the Will-o’-Wisp

Shock

Press a roll button. The dice land here.

Stat block

Type
Tiny undead, chaotic evil
Armor Class
19
Hit Points
27 (11d4)
Speed
5 ft., fly 50 ft., hover true
Challenge
2 (450 XP), proficiency +2
Resistances
acid, bludgeoning, cold, fire, necrotic, piercing, slashing
Immunities
lightning, poison
Condition immunities
Exhaustion, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained, Unconscious
Senses
darkvision 120 ft., passive perception 12
Languages
Common plus one other language
STRDEXCONINTWISCHA
1
28
10
13
14
11

Will-o’-Wisp odds against your Armor Class

Chance to hit, then average damage per attack once misses and critical hits are counted.

AttackAC 12AC 14AC 15AC 16AC 18AC 20
Shock (+4)65%
7.6 dmg		55%
6.5 dmg		50%
6 dmg		45%
5.4 dmg		35%
4.3 dmg		25%
3.2 dmg

Will-o’-Wisp hit points

The stat block uses the average, 27. Rolled, 11d4 lands anywhere from 11 to 44.

11: 0.00%12: 0.00%13: 0.00%14: 0.01%15: 0.02%16: 0.07%17: 0.17%18: 0.39%19: 0.78%20: 1.43%21: 2.39%22: 3.68%23: 5.25%24: 6.94%25: 8.55%26: 9.81%27: 10.50%28: 10.50%29: 9.81%30: 8.55%31: 6.94%32: 5.25%33: 3.68%34: 2.39%35: 1.43%36: 0.78%37: 0.39%38: 0.17%39: 0.07%40: 0.02%41: 0.01%42: 0.00%43: 0.00%44: 0.00%
11chance of each total for 11d444
Hit pointsChance
19 or more99%
28 or more50%
36 or more1%
41 or more<1%

Traits

Ephemeral. The wisp can’t wear or carry anything.

Illumination. The wisp sheds Bright Light in a 20-foot radius and Dim Light for an additional 20 feet.

Incorporeal Movement. The wisp can move through other creatures and objects as if they were Difficult Terrain. It takes 5 () Force damage if it ends its turn inside an object.

Actions

Shock. Melee Attack Roll: +4, reach 5 ft. Hit: 11 () Lightning damage.

Bonus actions

Consume Life. Constitution Saving Throw: DC 10, one living creature the wisp can see within 5 feet that has 0 Hit Points. Failure: The target dies, and the wisp regains 10 () Hit Points.

Vanish. The wisp and its light have the Invisible condition until the wisp’s Concentration ends on this effect, which ends early immediately after the wisp makes an attack roll or uses Consume Life.

Other CR 2 monsters

Allosaurus Animated Rug of Smothering Ankheg Awakened Tree Azer Sentinel Bandit Captain Berserker Black Dragon Wyrmling Bronze Dragon Wyrmling Centaur Trooper Cultist Fanatic Druid

This page includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License. The averages, odds and tables are ours.