This datapack utilizes the Gravity Changer mod to overhaul the Ender Dragon fight, splitting it into four phases. In each phase, you must destroy 5 end crystals to be able to hurt the dragon. Once you deplete a quarter of the dragon's health, 5 new crystals spawn. Each phase has its own rules for how gravity works and changes, so be sure to come prepared with blocks, a water bucket, a bow, and ender pearls.

Update for 1.19

This datapack can be played in 1.19 utilizing the Gravity API.

Additional Notes

The dragon now perches consistently once all crystals are broken, and never while they are still intact.
If you die during the fight, your items will be dropped on the obsidian platform.
The obsidian platform is now surrounded in a cage for if you spawn in while gravity is altered.
If everyone dies, the fight will reset to the beginning of the current phase. Throwing an eye of ender into an end portal before beginning the fight again resets the phase.

Phase Breakdown

Phase 1: Downwards gravity.

Phase 2: North gravity, which switches to South after all crystals are destroyed.

Phase 3: Alternates between East and West whenever a crystal is destroyed. Once all crystals are gone, switches between North, East, South, and West on a timer.

Phase 4: Upwards gravity.

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Gravity Ender Dragon Rework