The Octarine tower
What is the Octarine tower? It is an organization created after the alliance of the five magic towers that now dominate the Sarifal region.
The tower of secrets, the crimson tower, the brown tower, the white tower, and the gold tower. The alliance had happened over a thousand five hundred years ago, and it had integrated into one organization in time.
The purposes behind the creation of the alliance were many, one of them being to widen the learning opportunities of mages. Another was to share critical resources and allow access to more talent pools.
Of course, the most important reason behind it at the time was probably to counter the Elemental Congregation in the north.
The Elemental Congregation was not an alliance, it was one magic tower swallowing the other two. That was a story for another time.
The Octarine tower is ruled by five Master mages, the masters of each of the towers. But the Master mages were not bothered with the day-to-day operations of the tower.