Earth Hierarchy
As far as races in this story go, there are three types - Heaven Races, Hell Races and Earth Races.
Here will be the rankings of every Earth or Neutral Race that has been revealed so far in the decreasing order of power.
1. [Not Revealed]
-Dues ex machina
2. Mage
-Danny
-Grey
-Jessica
-Trevor
3. Human
-Irium Glice
The different classifications of mage are (from what has been revealed in the story so far) -
1. Tamer-class: they use monster summoning cards to summon mostly mythological creatures
-Danny
-Grey
-Jessica
2. Corporis-class: they use mage-craft to make their physical abilities stronger than they actually are
-Trevor
Weekly Power Status
-- Power
Ranking 
-- Power
stone