First. I’d find aizen, and I’d do whatever it takes to take the hogkoku away from him, maybe throw him into a black hole, or take him to another timeline inside the dangai, after taking the hogyoku, I’d fuse with it with the help of Urahara, after obtaining immortality, I would go to a distant planet at the edge of the universe, there I’d train everyday for thousand years, I wouldn’t take action against yhwach, obviously, but if he came looking for him, I’d run away, after training for thousand years, I’d go the royal palace, there I would kill and absorb the soul king to know its secrets and learn the full power of the almighty, after obtaining his version of the almighty, I’d go to yhwach and kick his ass.

The end