nova moth
From what is shown in the anime and manga,the biwa art seems to be getting a bit outdated.And with just two moves people who gets stuck with it (for example me) tends to get bored and leave the game immediately.
So like adding a tp ability to a demon's domain ( for example a room in the infinity castle) like drum where the move set gets reset to a new one and stuff like slamming the opponent with doors with just a strum on a string would be awesome.
Or just in general tp-ing humans to a great fall in the infinity castle like in the anime would be just as awesome.
tidal nymph