Darkmantle

Darkmantle

Small aberration · CR 1/2 · 100 XP

11 AC · 22 HP

Roll the Darkmantle

Crush DC 13 STR

Press a roll button. The dice land here.

Stat block

Type
Small aberration, unaligned
Armor Class
11
Hit Points
22 (5d6 + 5)
Speed
10 ft., fly 30 ft.
Challenge
1/2 (100 XP), proficiency +2
Senses
blindsight 60 ft., passive perception 10
Languages
None
STRDEXCONINTWISCHA
16
12
13
2
10
5

Darkmantle 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
Crush (+5)70%
4.7 dmg		60%
4.1 dmg		55%
3.8 dmg		50%
3.4 dmg		40%
2.8 dmg		30%
2.1 dmg

Darkmantle hit points

The stat block uses the average, 22. Rolled, 5d6 + 5 lands anywhere from 10 to 35.

10: 0.01%11: 0.06%12: 0.19%13: 0.45%14: 0.90%15: 1.62%16: 2.64%17: 3.92%18: 5.40%19: 6.94%20: 8.37%21: 9.45%22: 10.03%23: 10.03%24: 9.45%25: 8.37%26: 6.94%27: 5.40%28: 3.92%29: 2.64%30: 1.62%31: 0.90%32: 0.45%33: 0.19%34: 0.06%35: 0.01%
10chance of each total for 5d6 + 535
Hit pointsChance
16 or more97%
23 or more50%
29 or more6%
33 or more<1%

Actions

Crush. Melee Attack Roll: +5, reach 5 ft. Hit: 6 () Bludgeoning damage, and the darkmantle attaches to the target. If the target is a Medium or smaller creature and the darkmantle had Advantage on the attack roll, it covers the target, which has the Blinded condition and is suffocating while the darkmantle is attached in this way. While attached to a target, the darkmantle can attack only the target but has Advantage on its attack rolls. Its Speed becomes 0, it can’t benefit from any bonus to its Speed, and it moves with the target. A creature can take an action to try to detach the darkmantle from itself, doing so with a successful DC 13 Strength (Athletics) check. On its turn, the darkmantle can detach itself by using 5 feet of movement.

Darkness Aura. Magical Darkness fills a 15-foot Emanation originating from the darkmantle. This effect lasts while the darkmantle maintains Concentration on it, up to 10 minutes. Darkvision can’t penetrate this area, and no light can illuminate it.

Other CR 1/2 monsters

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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.