based on D&D 5th Edition
Treant
Huge  Plant , Chaotic Good

Armor Class 16  (natural)
Hit Points 138  (12d12+60)
Speed 30 ft. , swim 15 ft.



STR DEX CON INT WIS CHA
23  (+6) 8  (-1) 21  (+5) 12  (+1) 16  (+3) 12  (+1)
Damage Resistances Bludgeoning, Piercing
Damage Vulnerabilities Fire
Senses passive Perception 13
Languages Common, Druidic, Elvish, Sylvan
Challenge 2  (450 XP)
Animate Trees. (1/day) Can animate 2 trees it can see within 60 ft. These trees become treants with INT and CHA scores of 1. These treants can only make the Rock attack..
Siege Monster. Deals double damage to objects and structures..
False Appearance. While motionless it is indistiguishable from a normal tree. .
Actions
Multiattack. make two slam attacks
Slam. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 16 (3d6 +6) bludgeoning damage.
Rock. Ranged Weapon Attack: +10 to hit, range 60/180 ft., one target. Hit: 28 (4d10 +6) bludgeoning damage.