Reincarnation 235: Ancestor (ご先祖様で Gosenzo-sama de) is the 235th chapter of the Shaman King manga.
Short Summary[]
As he fights his ancestor, Asakura Yoh slowly pieces together the mechanics of souls in Hell. After Yoh creates a copy of the Futunomitama no Turugi, Yohken recognizes it and creates his own copy. The two then clash, with Yoh demonstrating his new Over Soul, "Spirit of Sword: Byakkō.