I'll take magic since it is more mystical and cool.

Adaptation

The mind

Bro, Doomsday shows how good adaptation is, it's definitely worth it.

"My mind opens a door out of this world,ascend to a new plane... where the weakness of flesh or metal are no longer a factor more" - Edgy!Jikkai

(Damn,edgy me is a total cringe...)

There's also the narrative form of nigh-omnipotence, Plot Control, which is what I'd choose if it were available. Not an option, so Omni-Magic.

@Two-of-Six

You bring up a good point and a excellent idea.

Spirit of Ether .

Breath of existence.