Umber Hulk

Large Monstrosity, Chaotic Evil

STR
20 (+5)
DEX
13 (+1)
CON
16 (+3)
INT
9 (-1)
WIS
10 (+0)
CHA
10 (+0)
Tunneler.

The umber hulk can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.

Actions

Multiattack.

The umber hulk makes three Rend attacks.

Rend.

Melee Attack Roll: +8, reach 10 ft. Hit: 12 (2d6 + 5) Slashing damage.

Bonus Actions

Confusing Gaze (Recharge 5-6).

Wisdom Saving Throw: DC 14, each creature in a 30-foot Cone. Failure: The target can't take Reactions until the start of the umber hulk's next turn, and the target rolls 1d8 to determine what it does on its next turn:

  • 1-4. The target does nothing.
  • 5-6. The target takes no action or Bonus Action and uses all its movement to move in a random direction.
  • 7-8. The target makes a melee attack against a random creature within its reach or does nothing if it can't make such an attack.

Find this creature in the encounter builder

Umber Hulk

Source: Monster Manual (2025), p. 312 - Licenses and attribution