I know it's not a new idea. But this just my take on it. Now it would require certain things to happen in the story. For instance, where the threat of the darkness is, not gone, but diminished. Having less of a common enemy causes factions to focus on each other. Starting a small scale civil war for political supremacy. We can now have a PvE/PvP patrol mode where the enemies are the AI and rival faction guardians. Patrol missions will be more or less like public events. Objectives will be more along the lines of clearing out PvE enemies to get to golden age technology, valuable salvage, etc. The faction that secures it, gets a big bonus to the weekly faction rank. Kills outside of missions also earn points. But very little. Faction Wars would happen in a specific patrol mode so others can do their bounties and missions in peace in normal patrol. Spawns would happen in the spawn caves. It would be one furthest from the enemy but also closest to allies. If people start dieing in a spawn, it will change to far away from enemies as possible. At the end of each week, the winning faction gets sponsorship from a certain weapons manufacturer, like SUROS, Psi, TEX, etc (cause war profiteering is common during such things). Sponsorship allows access to six legendary guns from that manufacturer with random perks, for the following week (you can still fight for the current sponsorship during this period). You can also pay to have the weapons reforged. Or maybe even pay a hefty price to choose single individual perks. Manufacturers could even have intense bounties that increase ranking from faction guardians collectively. Sponsorship purchases would be done through the tower gunsmith. I also thought they could sell armors too. Having unique aesthetics, stats, and perks. These legendary armors would still have just the two perks. But sometimes, certain pieces could have one of those perks be something different than the usual. Like boots with a '+2 to agility' perk. Or a chest piece with a 'more hand ammo' perk and a 'surviving a grenade grants a temporary shield' perk. Sorry about the wall of text. I get carried away. And I also understand that, more than likely, none of this would ever happen. Just dreams. EDIT: In addition, if you wish to defect to a rival faction, you can. But the faction you are trying to join will send you on a suicide mission. Not only to prove your ability but your dedication. Which would add some other interesting mechanics to the Faction Wars game type. Killing someone who betrayed your faction for another, grants major bonus points. So if a lot of people are defecting to a single faction. Their deaths, in the game mode, will cause the other factions to rank up much faster. Making people really think about those choices. Credit to BruceLee724 for beautiful inspiration.