Parafly

ParaFly is a lightweight Paper 1.21.x plugin that gives players claim-bound flight through GriefPrevention. Anyone with the permission automatically starts flying the moment they enter a claim they own or are trusted in, and loses flight when they leave

Parafly is a free Minecraft Java mod. Compatible with Minecraft 1.21, 1.21.1, 1.21.2, 1.21.3 and newer. Downloaded 6 times (via Modrinth). Download it and open it directly in the game.