Hisoka&DS vs MHA

So you know Hisoka if you don't, I don't either because I have not watched the anime, but she has met all the characters from DS and creep them out, and he has met all the characters from MHA and creep them out, also, not all of them are going to be here in one white room Your demon slayer also, and you are there, you are the only person Hisokyeta has not met