Homebrew
Chameleon carapace: Shaar can change the color of its carapace to match the color and texture of his surroundings. As a result, he has advantage on Dexterity (Stealth) checks made to hide. Standing Leap: Shaar's long jump is up to 30 ft. and their high jump is up to 15 feet, with or without a running start.
Multiattack: Shaar can make three attacks: one with his bite and two with his claws or his warhammers. Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 4 1d6+3 piercing damage, and the target must succeed on a DC 11 Constitution saving throw or be poisoned for 1 minute. lf the saving throw fails by 5 or more, the target is also paralyzed while poisoned in this way. The poisoned target can repeat the saving throw on each of its turns, ending the effect on itself on a success. Claws: Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 6 2d4+4 slashing damage. Warhammer: Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 6 1d8+4 bludgeoning damage.