Board Thread:Versus Debates/@comment-25478058-20150511082607/@comment-1783334-20150511084621

Kakashi has poor stamina and relatively poor chakra reserves and maintaining Susano takes its toll on a non Uchiha. They simply need to force Kakashi to keep it active and drain his chakra the same way Sasuke forced Danzo to keep Izanagi active and use it up as well as drain his chakra.