User blog comment:Xilinoc/Ch. 554 - Desperate Lights/@comment-4639012-20131023153257/@comment-1268838-20131023165215

Haschwalth already elaborated on Yhwach's hatred of conflict. He hates it, so he ends it as quickly as possible. The entire enemy plan hinged on the Sternritter wiping out out the Shinigami in one fell swoop.