The four sorcerers who created the Makai were never very friendly with each other. Some people would go so far as to claim that even the creation of Makai, the greatest spell ever cast, pales in comparison to the fact that the four actually agreed to cooperate on something. As such, it was not totally unexpected that they started having disputes over the control of Makai soon after it’s creation. Disputes that escalated to conflicts and eventually, an all-out war later to be known as the Great Abyss War.
Being ageless, the four sorcerers, by the time of creating Makai known as the Four Goddesses, were not much concerned about the passing of time. They were much concerned about their own safety, though. After all, living extremely long requires staying alive extremely long. As such, each of them took their time to build nearly impenetrable defenses and raise a large army. Only then, they really started to launch their attacks on the others…