Guild leader here.
Would suggest guild gyms and guild arenas (different shapes choosable) in the areas.
Usefull for events.
3/4 different kind of island, choosen by the guild. A beach island (hawaii style lol), a mountain island, a volcano, a jiungle. Once you choose one, that is it.
Guild logo showed in every building.
Throne Room for the guild leader :D
Some random building with random npc like a village.
Guild Leader miniboss.
We agree on the prices.