The Tower Wars
When the Elven Lords split into their six factions and began their efforts to prove who was best suited to rule over all elves, they each constructed a great Tower, a site of enormous magical concentration on one of the central isles of the elven archipelago. These Towers, they agreed, would be the method of determining victory. Whoever managed to claim all six would be named supreme ruler. The fact that any elf lord holding all six sites would have the power to obliterate their opponents and declare themselves ruler only became obvious after the towers were raised and began magnifying local magical energies; and it is suspected by lower-ranking elves that the reason for the long-lasting stalemate between the lords is that none of them trust even their allies to leave them alive if they get hold of that power.
The Tower Wars have raged for almost three thousand years, with only brief interludes of peace or trouble from rising human powers. The governmental – and personal – experiments of the six lords have come a very long way, and yet the balance of power remains much the same as it always has. Only the Grey Tower has meaningfully changed, and even it has an extremely long way to go before reaching its goal. The elves, used to millennia without change, are finding it very difficult indeed to force an end to the conflict.