Darkmantle Monster D&D 5e (5th Edition)

Traits

Echolocation: Actually, the Darkmantle monster can not use its Blindsight while deafened.

False Appearance: Whenever the Darkmantle will be remain motionless and it is indistinguishable from the cave formation like the stalactite or stalagmite.

Actions

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. However, if the target is either medium or smaller and the Darkmantle has an advantage on the attack roll and also it attaches by engulfing the target’s head, and the target has also been blinded and also unable to breathe while this darkmantle is attached in this way.

Whenever it attached to the target then the darkmantle can be attacked no other creature except the target but it has an advantage on its attack rolls. Also, the darkmatle’s speed will become 0. But it can not benefit from the any bonus to its speed and also it moves with the target.

The creature will detach the darkmantle by making the successful DC 13 strength check as an action. Actually, on its turn, The darkmantle can detach by itself from the target by using the 5 feet of movement.

Darkness Aura (1/day): Basically, a 15-foot radius of the magical darkness will be extend out from the darkmantle, moves with it and also spreads around the corners. Actually, the darkness lasts as long as the darkmantle maintains the concentration, up to 10 minutes (as if concentrating on a spell). Although, the darkvision can not be penetrated this darkness and also no natural light can illuminate it. Suppose, if any of the darkness overlaps with an area of the light created by a spell of 2nd level or lower and also the spell creating the light have been dispelled.

Darkmantle 5e Monsters Attributes

Also check out cloaker 5e monster