|This material from the 5th edition SRD is published under the OGL|
|Small monstrosity, unaligned|
|Armor Class: 11|
|Hit Points: 22 (5d6+5)|
|Speed: 10 ft., fly 30 ft.|
|Skills: Stealth +3|
|Senses: blindsight 60 ft., passive Perception 10|
|Challenge: 1/2 (100 xp)|
| Echolocation. The darkmantle can't use its blindsight while deafened
False Appearance. While the darkmantle remains motionless, it is indistinguishable from a cave formation such as a stalactite or stalagmite.
Crush. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 6 (1d6 + 3) bludgeoning damage, and the darkmantle attaches to the target. If the target is Medium or smaller and the darkmantle has advantage on the attack roll, it attaches by engulfing the target’s head, and the target is also blinded and unable to breathe while the darkmantle is attached in this way.
While attached to the target, the darkmantle can attack no other creature except the target but has advantage on its attack rolls. The darkmantle’s speed also becomes 0, it can’t benefit from any bonus to its speed, and it moves with the target.
Darkness Aura (1/Day). A 15-foot radius of magical darkness extends out from the darkmantle, moves with it, and spreads around corners. The darkness lasts as long as the darkmantle maintains concentration, up to 10 minutes (as if concentrating on a spell). Darkvision can’t penetrate this darkness, and no natural light can illuminate it. If any of the darkness overlaps with an area of light created by a spell of 2nd level or lower, the spell creating the light is dispelled.
|Challenge Rating||1/2 +|
|Experience Points||100 +|
|Features||Echolocation +, False Appearance +, Crush + and Darkness Aura (1/Day) +|
|Hit Dice||5d6+5 +|
|Hit Points||22 +|