Ghost Slayer Butterfly 鬼滅之刃 蝶柱

已(毒)不回，通常看似無害，但殺傷後作力大，這就是蝶柱的恐怖能力!!!
Has been (poisoned) does not return, usually seems harmless, but after killing,
it is powerful, this is the terrifying ability of the butterfly post!!!