Rygelon

Rygelon, a Dominated constellar, is the tenth and penultimate boss of the Sepulcher of the First Ones.

''Drawn to observe the fateful events unfolding within the Sepulcher of the First Ones, Rygelon succumbed to the Jailer's domination. Now this constellar turns its cosmic power against any who would oppose the Banished One.''

Rygelon gains cosmic energy as the conflict ensues. At 100 cosmic energy, Rygelon begins to cast, killing all players outside of , gained from defeated 's.

Rygelon rematerializes inside, gaining. After expending cosmic energy, Rygelon casts on a remaining, returning all players to the Sepulcher.

• Take turns tanking Rygelon to avoid excessive stacks from.
• Collapsing Quasars from continually path to Rygelon, granting upon contact.
• kills all players outside of defeated 's.
• Unstable Cores cast upon reaching 0 health, inflicting massive physical damage to afflicted players.

• afflicted players explode from without the aid of.
• kills all players outside of defeated 's.
• summoned Cosmic Cores eject at the nearest player, snaring them and applying.

• kills all players outside of defeated 's.
• afflicted players receive increased damage from all sources.
• inflicts increasing damage the longer players remain inside.

• Sepulcher of the First Ones (achievement)
• Heroic: Sepulcher of the First Ones
• Mythic: Rygelon
• Domination's Grasp (achievement)
• We Are All Made of Stars
• Sepulcher of the First Ones Guild Run
• Heroic Sepulcher of the First Ones Guild Run

• Aggro
• yell

• Celestial Collapse
• yell
• yell

• Manifest Cosmos
• yell
• yell

• Massive Bang
• yell

• Shatter Sphere
• yell
• yell
• yell

• Death
• yell