Awakened Tree

Huge plant, unaligned
Armor Class 13 (natural armor)
Hit Points 59 (7d12 + 14)
Speed 20 ft.
STR
19 (+4)
DEX
6 (-2)
CON
15 (+2)
INT
10 (+0)
WIS
10 (+0)
CHA
7 (-2)
Damage vulnerabilities fire
Damage Resistances bludgeoning, piercing
Senses passive Perception 10
Languages one language known by its creator
Challenge 2 (450 XP)

False Appearance. While the tree remains motionless, it is indistinguishable from a normal tree.

ACTIONS

Slam. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 14 (3d6 + 4) bludgeoning damage.

An awakened tree is an ordinary tree given sentience and mobility by magic.
Monster Manual (SRD) D&D 5 › Monsters