False Appearance. While the tree remains motionless, it is indistinguishable from a normal tree.
Root System Territory: The tree's territory expands 30 feet in every direction starting at the trunk. Any creature within its territory cannot hide and all movement is considered difficult terrain.
Defensive Thicket: Branches and bark protect the soft inner wood of the tree. The corrupted tree has resistance to all damage types for the first half of its health points. Once the tree has reached half health, it loses all resistance.
Corrupted: The tree is immune to any mental effects, sans those performed by creatures of the underdark.
Flammable: The tree has no resistance to fire, and is vulnerable to fire after its health points reach 50%
Frenzy of Vines. During its turn the corrupted tree with thrash vines, branches, and trunks in an attempt to strike everyone in its territory. Opponents in the effected area bust roll a dex save of 15 to avoid damage entirely, 10 to take half damage. A critical failure will result in the creature falling prone. For damage roll 3d6 slashing damage.
Natural Counter: Any attack launched within the trees territory invokes the reaction Frenzy of Vines, but only for the character who launched the attack.
No Escape: When attempting to leave the territory of a corrupted tree one must succeed in a dexterity saving throw (15) or be pulled 15ft towards the tree, taking 2d4 bludgeoning damage.
Description
This tree's roots have been corrupted by the underdark. The once normal tree now possesses an evil force making it deadly and unpredictable. It cannot be reasoned with and knows no friend or foe.
The tree is immobile.