What else is there? While there are infinite universes affected by the War of the Archons, there are also an infinite number, still, who are not. These universes are ripe to be explored and crafted in any way an Architect may seem fit.
You do not have to participate in the War as an Architect. While that is what most go and do, it is not what all aspire to. Instead, you may want to explore the narrative aspects of the WOTA boards and other such things within. Fortunately, there are plenty of opportunities that allow you to do exactly this.
You have the ability to save up Valor and create your own Universes, while also helping bring to life other Universes created by fellow Architects or ones Influenced by your Faction. You also are able to bring to life various places within THE OASIS Boards, including Architect City, becoming a part of a cosmic metropolis and helping it develop. Ultimately, there is no limit to what you can do, just as there is nothing confining you to any one thing. Just have fun with it!