Heat Scent. The vitality monster can pinpoint warm-blooded creatures within 30 feet of it Leeching Musk. Vitality monsters have a strong musk that weakens their prey. Any creature within 30 feet of the vitality monster must make a strength saving throw DC 11 or their speed is reduced by 10 until the end of their next turn.
Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 5 (1d8 + 1) piercing damage. Antennae. The vitality monster sucks the life energy out of any creature that it touches with its antennae. The target must make a constitution saving throw DC 11. On a failure, their constitution score is reduced by 1. If their constitution score reaches 0 then they are dead. This can be reversed with a lesser restoration spell.