Troll, Tumor

Regeneration. Regains 10 hp at start of its turn. If troll takes acid or fire this doesn't function at start of troll's next turn. Dies only if it starts turn with 0 hp and doesn't regenerate.

Uncontrolled Growth. When it regains hp from its Regeneration gains random teratoma. Teratoma and effects last until removed or replaced by another. Troll can have only 3 at a time. If it would gain a 4th oldest fades and is replaced. Teratomas (d6):1 New Senses: A bevy of new ears and noses give troll advantage on Wis (Perception) checks that rely on hearing or smell.2 Many Feet: The troll can't be knocked prone.3 Adrenal Overdrive: Can't be frightened or suffer exhaustion.4 Clinging Limbs: When this teratoma is removed with Fling Limb action it attaches to target. While attached to target target takes 3 (1d6) poison at start of each of its turns. A creature including target can use its action to detach teratoma.5 Echo Chambers: Has blindsight out to a range of 60'.6 New Pain Nerves: Disadvantage on any non-attack roll.

Multiattack. Two Bite and two Claw. Can replace one Claw with Fling Limb. When it does tumor troll doesn't have disadvantage on this attack from being within 5 ft. of creature but can have disadvantage from other sources.

Bite. Melee Weapon Attack: +7 to hit, 5 ft., one target, 7 (1d6+4) piercing damage + 3 (1d6) poison.

Claw. Melee Weapon Attack: +7 to hit, 5 ft., one target, 11 (2d6+4) piercing damage.

Fling Limb. Ranged Weapon Attack: +7 to hit 20/60' one target 9 (2d4+4) bludgeoning damage + 7 (2d6) poison. Remove a teratoma from itself if it has one.