Rygelon has an upstairs/downstairs phase.
We tank Rygelon at the marked positions, and when Rygelon begins casting Wipe Raid, we kill an add at the nearest star to spawn safe zones that we stand in, one person to zone, to go downstiars. While upstairs, sparkly bombs will spawn at moons and move towards boss. These need to be killed and will leave behind a Baja Blast Puddle.
Rygelon will target players with bombs that will, you guessed it, cast Wipe the Raid unless taken to a Baja Blast Puddle and purged. If you step on Baja Blast Puddles, you'll go downstairs and reemerge after a short time knocking people back near you--you'll be marked with a split circle, so...don't stand near people.
When we go downstairs, there'll be two big balls we stand on and soak at until a move is called, then we move to the next ball until another move is called at which point we just move off the ball, DPS, go back upstairs, reposition boss, and repeat.