Lifesteal, previously known as Factions, is a Team-PvP based server in which you can raid and defend your base. You can grind different aspects within the server to help boost your in-game experience by using Kilton, Duels and Fishing.
There is no claiming on Lifesteal however high value blocks like chests and spawners will have a durability-based protection which means it'll take longer to break. The maximum amount of players you can have in your team is 10 members.
The world size is 40k x 40k. The recommended version for Lifesteal is 1.21. PvP is 1.9+.