SeventhLord

Transmigration and reincarnation are not mutually exclusive nor does transmigration necessitate possession, neither does reincarnation exclusively mean rebirth.

So his wishes don't work

So much for Dominion

If by conventional, you mean guns then it's probably around the same level as La Bete (he was shot multiple times in the police department without any kickback)

Also possessed by other wolfs, though probably to a lesser degree

Does this mean he won't lose his powers during a Supermoon

In the show, Betas and Omegas could disappear in the blink of an eye. A specific instance I remember is when Derek disappears from Scott's (already a werewolf, but not an alpha) immediate surroundings from the ruins of his house in the forest.

Cain: You sure about that