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deny-entity, deny-pvp and all flag-related messages to all 4 localesconfig.yml/chunkadmin) - set max claims, server default language, default particle, reload config/chunksettingsconfig.yml and via Admin GUI/claimchunk River)/chunkexpand River adds adjacent chunks to a group/visualizechunk, /unclaimchunk, or /checkchunk with no arguments uses the chunk you're standing onUpgraded for Minecraft 1.21.8 with a slick GUI and per-player languages.

A Chunk Claiming Spigot and Paper plugin