Death's Head Tree

Huge Plant, Chaotic Evil

AC: 15

Initiative: -1 (9)

HP: 95 (10d12 + 30)

Speed: 20 ft.

STR: 18 (+4)
DEX: 8 (-1)
CON: 16 (+3)
INT: 5 (-3)
WIS: 10 (+0)
CHA: 13 (+1)

Saving Throws: Str +6

Immunities: poison

Condition Immunities: exhaustion; poisoned

Senses: Blindsight 120 ft., Passive Perception 10

CR: 4 (XP 1,100; PB +2)

Habitat: Forest, Swamp, Urban

Overhanging Branches.

The tree's allies can willingly end their moves in the tree's space. Allies in the tree's space have Half Cover.

Unholy Regrowth.

If the tree dies, 2d6 Death's Head Trees regrow around the same place in 365 days unless the tree is killed by a creature under the effect of a Bless spell using a weapon that deals Slashing damage.

Actions

Multiattack.

The tree makes two Slam attacks.

Slam.

Melee Attack Roll: +6, reach 10 ft. Hit: 15 (2d10 + 4) Bludgeoning damage.

Exploding Head.

Dexterity Saving Throw: DC 14, each creature in a 10-foot-radius Sphere centered on a point the tree can see within 120 feet. Failure: 10 (3d6) Necrotic damage, and the creature has the Poisoned condition until the start of the tree's next turn. Success: Half damage only.

Bonus Actions

Head Fruits.

Each Undead ally in the tree's space can immediately take a Reaction to gain 5 Temporary Hit Points.

Find this creature in the encounter builder

Source: Ravenloft: The Horrors Within, p. 243 - Licenses and attribution