Bloat Poison Drake

Keen Hearing and Smell. The drake has advantage on any Wisdom (Perception) checks that rely on hearing or smell.

Multiattack. The drake gets one bit and one claw attack.

Bite. Melee Weapon Attack +4 to hit. reach 5ft. one target. Hit: 5 (1d6+2) piercing damage. If the target is a creature, it must succeed on a DC 12 Constitution saving throw against disease or become poisoned until the diseased is cured. For every 24 hours that elapse, the creature must repeat the saving throw, reducing its hit point maximum by 5 (1d10) on a failure. This reduction lasts until the disease is cured. The creature dies if disease reduces its hit point total to a maximum of 0.

Claw. Melee Weapon Attack +4 to hit. reach 5 ft. one target. Hit 5 (1d6+2) slashing damage.