Corpse hugger

host dependent. If the corpse huggers host is destroyed it will crawl out of the remains. It’s AC becomes 1 and it’s hit points becomes 5

Hive mind. Any corpse huggers within twenty feet of each other can read each others thoughts and see from their point of view.

hostile takeover. Whenever a corpse huggers host is destroyed it can leap at any creature within 10 feet of its host body.(DM’s choice) and attempts to crawl down its throat. The creature it targets must make a strength saving throw of 10. If it succeeds it throws the corpse hugger across the room and the corpse hugger takes 1d4 bludgeoning damage and is stunned. A creature that is friendly towards the creature being targeted can make the help action or make an attack of opportunity on the corpse hugger. However if it misses it will deal damage to the other creature instead. if the creature fails the saving throw. The corpse hugger will climb down their throat. And In 1d4 days will start to eat away at the hosts organs. Dealing 1d4 piercing damage every hour. The creature it targets will become paralysed and when it dies. The corpse hugger will take over it’s dead body in 1d4 days

Egg layer.  Once the corpse hugger has taken over a new host. It lays 2d12 eggs that hatch in 3d10 days. Once hatched the corpse hugger will consume the corpse. Then grow to full size in 1d4 days. Whilst the eggs are un hatched they have an AC of 0 and 1 hitpoint. Whilst freshly hatched they have an AC of 0 and 3 hit points. The eggs are small and white and are laid in clumps and stick together, if the corpse huggers host that is carrying eggs is destroyed they will spill out on the floor.

Rotting fortitude.  Whenever the corpse hugger would be reduced to zero hit points. It gains 1 hitpoint and its host body is destroyed. Forcing it to leap up to thirty feet away. If it leaps and a creature is within the trajectory. It can instead use hostile takeove instead of leaping. This can only be used if in a host body.

 Flail. Melee Weapon Attack: +1 to hit, reach 5 ft., 1 target. Hit: 2 (1d4+ 2) bludgeoning  damage

Cowardice. Whenever the corpse hugger is below half health. It may use its bonus action to climb out of its host and launch itself 30ft in any direction. And become frightened of any creature that is not an ally. And its movement speed is doubled. It stops being frightened and its movement speed goes back to normal once it has gained all it’s hit points back.  This does not count for hostile takeover