As the'awakening' is happening, he tries to resurrect Cordelia in Yui's body, but fails when he is wounded by Ayato and is finally killed by Laito at the end of the anime.
He tries to resurrect Cordelia in Yui's body. This is as the' awakening'is happening. He fails. This is as the' awakening' is happening. He is wounded by Ayato. He is finally killed by Laito at the end of the anime.