Chauntea's Guardian

Regeneration. The guardian regains 10 hit points at the start of its turn. If it takes acid or necrotic damage, this trait doesn't function at the start of the guardians next turn. The guardian dies only if it starts its turn with 0 hit points and doesn't regenerate.

Multiattack. The guardian can make two slam attacks

Slam. Melee Weapon Attack: +7 to hit, reach 5 ft, one target. 4d6 slashing damage and 2d6 radiant damage.

Nature Aura. The guardian emits an aura in a 30ft radius around them. This area becomes difficult terrain, and creatures that start their turn here take 4d8 poison damage.

Horrid Visage. if the Guardian is hit by an attack by a creature within 60ft that it can see, it can use its reaction to strike fear into a creatures heart, granting it disadvantage on the attack.