The Academy realm has been in war many times.
The Academies fought with each other on virtual any metric one could imagine and that included conquest and slaughter. However, even in those myriad of wars, some wars were meant to be special.
And the war caused for claiming the legacy inheritance was one such war.
Within the Pocket dimensions that appeared that year, one of them had the legacy inheritance as the prize. Everyone wanted to claim it and one of the Norse Academy students managed to win it after clearing the quests of the pocket dimensions.
However, no Academy was willing to back down.
They openly challenged each other. Ambushes, assassinations, trickery. Everyone stooped so low in front of one inheritance that the prestige of all the Academies was drawn down the drain. In fact, that might be the only time when one of the Academies actually physically got destroyed.