Board Thread:General Discussion/@comment-71.204.81.117-20190404154325/@comment-81.90.188.145-20190405125231

No, only the power of Meliodas that acquired in Purgatory, the power of the Destroyer, can destroy the DK as it already happened inside of him. Actually, he didn't even use it, his new ultimate darkness, Trillions Dark who can pierce and destroy the flash of the DK and put him into agony was enough.

Meliodas became a being too much for the world, hence why he had to leave after a day now.