Board Thread:General Discussion/@comment-24499616-20140203040252/@comment-26420452-20140203083656

That was a wrong assumption of Ichigo. When he confronts the Menos Grande's Cero, Uryū realizes that Ichigo, having no control over his Reiatsu, has been using his minimum, not maximum, until the moment. Ichigo just has monstruous Reiryoku/Reiatsu, which of course comes from him being the "perfect" mix.

Ichigo can't become immortal, at most he can become almost invincible. He can't use healing powers (I think you're referring to High-Speed Regeneration). And I don't see him using Blut Vene or absorbing Reishi. He needs training for those abilities and the only possible teachers are his current enemies.

Ichigo is going to fight like he's always done, crossing blades and firing Getsuga Tenshō.