Engulf

When the cube enters the same space as a hostile
of the same size catagory or smaller, the creature
makes a DC 12 Dexterity saving throw. On
success, target is pushed 5 feet. On fail, target is engulfed and takes 1d8 acid damge. Engulfed creatures can't breathe, are restrained, and take
3d8 damage at the start of the cube's turns. An engulfed creature or another creature can
attempt to pull the engulfed creature out of the
cube with a DC 12 Strength check. A creature attempting to help takes engulf