Roblox and Red rebellion + Guest republic are defense factions that protect their precious core from harm Undead brigade, katuri, black dead, demonic are attack factions that attack the core and its team there are also two factions named Raigent and Uberian but they are neutral factions, because they dont like to help with any other team other than them selves. Undead attacks roblox while roblox's defense force defends the core against the undead brigade