With aizen he felt like he betrayed everyone and with yhwach he was betrayed. Zangetsu tells him that he was yhwach, that his mom died because of him as well everything good and bad happening was because of him. He wasn’t rationally thinking, he was in pain and finally had the power to destroy the cause of all the pain he ever felt. He just wanted everything to end, he didn’t care if he lost his powers, he just wanted to get rid of aizen since he was the cause of everything so he used mugetsu.

When him said he had strong eyes it was because he broke insane after he struck zangetsu. So when he had overpowering strength even though he could wipe out aizen with ease he was just broken inside. He hurt his friends and couldn’t even defeat the one person he wanted, he became to hate the person who wanted no more than to protect him then destroyed him all the while everyone he grew to know as a friend were being cut to bits. When tensa zangetsu said “what you want to protect is not what I want to protect” his fucked up phyce identified him as the enemy and when he struck him and zangetsu revealed what it was he wanted to protect it tore him apart inside. Meanwhile, in Karakura Town, Aizen (Sho Hayami) and Gin (Koji Yusa. Ichigo reluctantly agrees, but when he ends up encountering Tensa Zangetsu (Showtaro Morikubo), things become a little tricky.

Then while fighting tensa zangetsu he starts to beeline that he was always his enemy in every aspect. Summary: Isshin (Toshiyuki Morikawa) comes up with a plan that will help Ichigo (Masakazu Morita) cheat time and master the Final Getsuga Tensho. Rukia is even slightly disturbed when she sees the look in his eyes and how he was acting. He was completely taken over, hurt his friends and wasn’t even able to win for himself, ulquiorra the guy he wanted to defeat was killed by white. It was because he was tired of everything, he didn’t give a damn about what happened after how the fight with ulquiorra ended.

The final getsuga tenshou