A Zathoverse is a type of verse found within the Primordialverse, which contains many Multiverses. Each one of it's Multiverses contains a certain type of Reality Particle, (Our Multiverse uses strings). There are 4 types of Zathoverses, (each of these 4 types are contained by a Kuadoverse):
'Stable Zathoverses' (Has Isychros matter)
'Positively Unstable Zathoverses' (Has Light matter)
'Neutrally Stable Zathoverses' (Has Primordium Sigma)
'Negatively Unstabe Zathoverse' (Has Hell Matter)