The Rizen's Undead bound

You touch a corpse of a creature you bind back the soul and spirit to the body.
a creature can always refuse to be bind back to his corpse
the creature becomes a undead you can use any statblock of any creature but change type to undead.
the undead have a mind of his own and can speak common.
the undead can not be controlled.

this effect stay's on the creature until its dispelled.
entering a holly area like a church will dispell the effect.
the following spells can dispell the effects:
dispel magic
remove curse
greater restoration
or similar spells.