Chammpa, Champion of Grolantor

Legendary Resistance: 3/day

Magic Resistance: Chammpa gains advantage on saving throws against spells and other magical effects.

Flash of Stupidity: When magic attempts to beguile his mind, Chammpa flies into a brief, but unbridled rage at the effect, upset he did not understand. When he succeeds a saving throw against an effect that requires him to make a Wisdom or Intelligence save, as a reaction he may move up to half his speed and make a single melee attack at the creature who attempted the effect.

Unwashed: Chammpa exudes a horrific stench within a 15 ft. radius around him. Any creature that starts it's turn within this area or enters it for the first time on a turn, must succeed on a dc 14 Constitution save. On a failure it becomes poisoned until the end of the the turn and is unable to take reactions. In addition, Chammpa and his club are covered in filth, causing his melee attacks to deal an additional 2d8 poison damage(included in the damage)

Siege Monster: Chammpa Deals double damage to structures and inanimate objects.

Brutal: Chammpa crits on a roll of 19 or 20 on the d20. On a crit, it deals an additional die of damage of the associated type.

Multiattack: Chammpa makes 2 Club attacks, he can substitute one of these attacks for a Grapple or Throw attack.

Club: Melee Weapon Attack, 15ft. Range, +11 to hit, On hit, a creature takes 16(2d6 +8) Bludgeoning Damage plus 10(2d8) Poison Damage and creatures large size and smaller must make a DC 21 Strength saving throw. On a failure, a creature is knocked prone.

Grapple: Unarmed Attack, range 15 ft., +11 to hit. On hit Target must succeed on contesting Strength(Athletics) check against Chammpa's Strength(Athletics). On a failure the creature is grappled and restrained.

Throw: Chammpa takes a creature it has grappled and throws it with all his might to a space within 120 feet. The creature and any creatures occupying the chosen space must succeed on a DC 15 Dexterity Save. On a failure, they take 18(3d10) Bludgeoning damage and fall prone. On a success, they take 1/2 damage and do not fall prone.

Boulder: Ranged Weapon Attack, Range 300 Ft., +11 to hit, on hit deals 38(5d10 +8) bludgeoning damage.

Mouth of Grolantor(recharge 5-6): Chaampa punches himself in the stomach to induce violent vomiting and spew caustic stomach acid and gods know what else at unsuspecting enemies. All Creatures within a 15 ft. cone must make a DC 19 Dexterity saving throw. On a failure a creature takes 5d8 Acid Damage and 5d8 Poison Damage and becomes Poisoned. Poisoned may make a DC 15 Con save at the end of end of each of their turns, ending the effect on a success. On a success a creature takes 1/2 damage and is not poisoned.

Chaampa has 3 legendary actions. He regains all legendary actions at the start of each of his turns.

Smash(1 Action): Chaampa makes a single Club attack at a target within range.

Detect(1 Action): Chaampa makes a Wisdom(Perception) Check.

Puny Fly(2 Actions): Chaampa makes a single Boulder Attack at a target within Range.