Black Egrets's Research Machine

The Black Egrets's Research Machine is security research machine owned by the Black Egrets and was the security machine to checking or researching.

Only happened in Parasoul's Wallop Challenge that they are checking someone of who are Rubyists or non-Rubyists that they accept non-Rubyists to watch or challenge,except Rubyists due to Black Egrets's soldiers will arrest and expulsion Rubyists from their kingdom to other world