Regrowth. The forest guardian regenerates 5 HP per turn if fire damage has not been inflicted that turn.

Multi attack: the forest guardian can make two slam attacks or one grasping thorns attack

Slam. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 16 (3d8 + 4) bludgeoning damage.

Grasping Thorns. At the guardians command a 20ft circle within 60 feet of the guardian is entangled with thorny vines. The area effected counts as difficult terrain. Characters within the radius must make a DC 13 strength check or become restrained and take 3d6 piercing damage. Recharge 1d6 turns