Bloodthirsty. If the mruggen can see an enemy within 15 feet of it, it can use its action to move up to the creature and make a bite attack. Swift Escape. As a bonus action, the mruggen can Dash or Hide.
Bite. +3/5 to attack, reach 5 ft., one target. Hit: 1d8+1 piercing damage, and the target must succeed on a DC 15 Constitution saving throw or have its HP maximum reduced by 6 and be unable to use reactions until the end of the target's next turn. The creature can regain its lost HP maximum by completing a short or long rest.