Martial Peak - Ch. 1416 - Commit Suicide

[MangaDex]

 

[Kaarme]

It would also fit Yang Kai's personality if he pretended he never had any contact with the corpse army before. It also wouldn't be the first time he'd do something like that. Back in their original world, he didn't much advertise the fact he was the one who lifed the seal on the planet, which resulted in the bone race attack, among other things. When he went around afterwards, he just pretended to be as surprised as everyone else when portals kept popping up everywhere.