The Ninth World (Homebrew)
Regeneration. The troll regains 10 hit points at the start of its turn. If the troll takes acid damage, it regains only 5 hit points at the start of its next turn. The troll dies only if it is hit by an attack that deals 10 or more acid damage while the troll has 0 hit points. (Brent!) Rancid Degeneration. At the end of each of the troll’s turns, each creature within 5 feet of it takes 11 ( 2d10 ) necrotic damage, unless the troll has taken acid damage since the end of its last turn. (Brian!) Poison Splash. When the troll takes damage of any type but psychic, each creature within 5 feet of the troll takes 9 (2d8) poison damage. Threatening Reach. The troll can make opportunity attacks against all enemies within its reach (10 feet).
Multiattack. The troll makes one Bite attack and four Claw attacks. Bite. Melee Weapon Attack: 1d20+11 to hit, reach 10 ft., one target. Hit: 10 ( 1d8+6 ) piercing damage plus 5 ( 1d10 ) poison damage. Claw. Melee Weapon Attack: 1d20+11 to hit, reach 10 ft., one target. Hit: 16 ( 3d6+6 ) slashing damage. (Brilliam!) Whirlwind of Claws (Recharge 5–6). Each creature within 10 feet of the troll must make a DC 19 Dexterity saving throw, taking 44 (8d10) slashing damage on a failed save, or half as much damage on a successful one. (Brian!) Venom Spray (Recharge 6). The troll slices itself with a claw, releasing a spray of poison in a 15-foot cube. The troll takes 7 (2d6) slashing damage, which can’t be reduced in any way. Each creature in the area must make a DC 16 Constitution saving throw. On a failed save, a creature takes 18 (4d8) poison damage and is poisoned for 1 minute. On a successful save, the creature takes half as much damage and isn’t poisoned. A poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Blood Pursuit. When a bloodied enemy within 10 feet of the troll moves. The troll may move 5 feet closer to the enemy. If this places the troll next to bloodied target it may make a claw attack.
Fire Temple or related outpost