Homebrew Gibbering-Mouther Spawn Species Details

A 'Gibbering Mouther Spawn' is the creation of a Gibbering Mouther being altered through Arcane means (NPC magic). Giving a crystal arcane focus inscribed with a high leveled Awakened spell to a Gibbering Mouther will start a new life cycle. The ooze will go dormant, shutting all eyes, mouths, and settle in a spot for a course over 20-30 years absorbing the magic from the arcane focus. After a period of time the Mouther will awaken from their rest and form into the most consumed species they have assimilated in their mass.

The crystal arcane focus is an artificial soul. 

These creatures learn to make their way in life 

 MEDIUM HUMANOID 

Consumption: This can only be used outside of combat and is a replacement for regular long rest and short rest hit die regeneration. 
Tiny Size: 1 Hit Dice (1 Minute)
Small Size: 2 Hit Dice (10 Minutes)
Medium Size: 3 Hit Dice (30 minutes)

Gibbering-Mouther Spawn Traits

Darkvision 60 feet

Multiple Eyed

Due to your multiple eyed physiology you can see quite well in the dark!

Condensed Biomass

Due to your body being so condensed of mass, you are quite sturdy! However the smell wet flesh is prevalent around you. Plus 3 for you Constitution and minus 1 for Charisma.

Devour

Once reducing a creatures hit points to 0 hit points you can use this feature as a bonus action on that turn to consume the body and heal a d8 + character lvl (1 charge per short rest).