Circleverse

The Circleverse is a multiverse of infinite proportions. Every world stems from a metaphorical tree called the Yggdrasil Complex, with every branch having a circle of seven worlds, which in turn have a circle of seven worlds, which in turn have a circle of seven worlds...

Branch Guide

R - Humans

O - Dragons

Y - Uniotes

G - War

B - Shadow

I - Mind

V - Fire

Each world in these branches is assigned the letter of the branch, the letter of the subbranch, U to stand for universe and a number to indicate which world in the ring it is. For example RBU2 would be the second world in the B subbranch of the main R branch.