removedragon: Remove the dragon without the beaten sequence.
spawndragon: Spawn the dragon
killdragon: Kill the dragon inc. beaten sequence.
goto_end: Teleport yourself to The End.
goto_overworld: Teleport yourself to the overworld.
rollbacktest: Run the rollback function. Note that the dragon needs to have been spawned once. Otherwise the plugin doesn't know what time to rollback to.