User blog comment:Pualover/Overlord Power Level/@comment-1846146-20151004122301/@comment-110.55.2.69-20151004161556

The "8th hierarchy" actually means "8th floor" and the last two characters, when translated means "et al". Basically it means the "8th floor and others" or "9th floor residents/inhabitants".

Everything that was posted above counts because it was from the author.