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Chapter 418

Aizen attempts to explain Ichigo's new found power and his inability to sense any reiatsu from the Substitute Shinigami. He then appears behind Ichigo and attacks, saying that he will use Ichigo's new strength to test his own new powers. As Aizen notes the similarities and differences in their evolution, Ichigo blocks Aizen's attack, causing him to use Kidō. However, Ichigo breaks the spell and slashes Aizen.