After watching Dyon dig himself back out from an abyss of despair, Oshire felt that life simply wasn't worth living anymore. He didn't allow the second form of [Incarnate] to activate because he wanted to kill Dyon, he allowed it to activate because he was too cowardly to take his own life.
There would be no grand redemption for Oshire. Even to the end, his thoughts remained as pathetic as they were from the start.
Too cowardly to take your own life? Since when was committing suicide an act of courage? Dyon had never seen it that way…
Well, at least in his youth, he didn't. It was why he hoped Madeleine wouldn't take her life all those years ago, even if it meant marrying Chenglei.
However, to the more mature Dyon, he saw things a bit different. Not everything was in black and white… Not every suicide was cowardly and not every decision to live was brave.