Protect terrain below Y 0
The real world is unchanged; only outgoing terrain packets are replaced.
Select the world, enable protection, set Hide below Y to 0 and Reveal at Y to 16.
ExamplePer-world values override the dimension defaults. Nether and End protection are disabled by default.
ConfigurationPlayers receive replacement terrain below Y 0. At Y 16 or lower they receive real terrain.
BehaviorApply edited configuration. Test crossing the reveal height in both directions.
ExampleJoin-time client checks require the separate xAntiFreecam-JoinGuard addon.
Optional addon