you use this feature to control a creature within range that isn't hostile to you.That creature must succeed on a DC 10 wisdom saving throw or be taken control of.When you have control of a creature your own body is unconscious and you gain the abilitys actions and traits of the animal you posses.aditionily that creature is transformed into an anvilwrought.You use the initiative count of that creature and use its hp and ac.When the creature you control is killed or reduced to 0 hit points your astral body returns to your own physical body but you take 1d8 psychic damage and are stunned for 3 turns.you van't use this spell again until you finish a short rest.
at higher level(s):the amounts of times you can use this traits increases by 1 when you reach 3 th level and again at 6th,10th,13th,17th and 20th level