The ranked champion category. The second of the two unused categories in the game. My guess is that the old legacy grand champion titles were originally planned to be set in this category. This would explain the colors similar to the legacy grand champion tier icon. The reason why the legacy Season # Grand Champion titles are placed in the Champion category instead of this one is still unknown.

If you want to know how the legacy grand champion titles would look like with this category it would look like this: Season # Grand Champion