Now that everything is done, more or less, Arthur headed to his next destination without stopping to bother with the fights occurring above him. Using the huge body of a bone shark, he drilled the earth and easily made his way towards the center of the tomb. Despite that this world is only a small-Realm, it is way bigger than Astria.
The concept of Realms and space has always been something mysterious and complicated as not everyone is able to comprehend their logic. A small pocket dimension can sometimes be bigger than a whole Middle-Realm, which usually is a mind-boggling landmass, it can be millions of time bigger than Earth or even Astria.