A Story event that is unlocked after the completion of the Story event, "Void Ritual." The lore details the introduction of Flame Primordials, the Kayur's last-ditch attempt to save their empire, who ultimately failed to defeat the Voidlords. It also explains that the Void demons are formed of the energy of the Void itself. Using this principle, the Archmagi managed to become Primordials, using blood sacrifice similar to the creation of the Golems.
The first battle of this Story requires you to defeat Void Demons of different variations (can be Warrior, Rogue, or Mage). There are two in the frontline and two and the backline.
The second battle of this Story requires you to defeat two Void Knights in the frontline and two Void Demons in the backline.
The third battle of this Story requires you to defeat two Kayur Pylons in the frontline and a Kayur Pylon and a Flame Primordial (a Kayur Archmage who absorbed the magical power of many lesser mages) on the backline.
The Fourth battle of this requires you to defeat two Kayur Pylons in the frontline and two Flame Primordials in the backline.
The fifth and final battle requires you to defeat two Flame Primordials in the frontline and a Flame Primordial and a Kayur Obelisk in the backline.