The Four Mages are the secondary antagonist of Ease 14
Before the events of the Ease series. On a distant planet, A mysterious cloak (The Creator) was locked away but four mages released the cloak to wreck havoc
In Ease 14, the four mages revive The Creator and The Creator builds a huge fortress with artificial worlds
The Four Mages cannot attack Ease, they instead possess something to attack Ease.