He should be able to fly if he wants to, he just never did. Well, he sort of hovered down to make an entrance once.
Easily manipulates humans with eye contact, not that relevant.
http://static2.mangainn.me/mangas/325/9053/6_11_10_2011_02_50_03.jpg
http://static2.mangainn.me/mangas/325/9053/7_11_10_2011_02_50_03.jpg
He can manipulate the weather and move a large military vessel with TK.
He can manifest the powers of people he's eaten, which include razor sharp cards that stop regeneration to an extent and hypersonic bullets that are mentally controlled.
Can create dopplegangers of himself.
http://static2.mangainn.me/mangas/325/9055/8_11_10_2011_02_50_03.jpg
When he releases his true power, he sort of exists as a formless mass that he manifests into all sorts of monsters as he chooses.
http://static2.mangainn.me/mangas/325/9053/7_11_10_2011_02_50_03.jpg
http://static2.mangainn.me/mangas/325/9045/24_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9045/25_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9045/26_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9045/27_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9045/28_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9046/4_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9046/5_11_10_2011_02_50_01.jpg
http://static2.mangainn.me/mangas/325/9046/6_11_10_2011_02_50_01.jpg
With all his limiters removed, he can manifest the lives he's absorbed as a massive overwhelming army that can literally just wash over his enemies like a wave and crush them.
http://static2.mangainn.me/mangas/325/9095/13_11_10_2011_02_50_08.jpg
http://static2.mangainn.me/mangas/325/9096/4_11_10_2011_02_50_08.jpg
http://static2.mangainn.me/mangas/325/9097/2_11_10_2011_02_50_08.jpg
http://static2.mangainn.me/mangas/325/9097/3_11_10_2011_02_50_08.jpg