Those who die horizontally or on the battlefield are put in black coffins because black belongs to the element of water, which can subdue evil spirits;,"When it comes to the dead, this north slope is a graveyard. The very ground we're standing on is filled with buried corpses and skeletons.",No sooner had Zhuanzi's words left his mouth than the wild cat that had jumped into the white coffin suddenly stopped moving. It stared fixedly at the two people outside the coffin, its emerald-green eyes filled with coldness and numbness.。