Fire Archon Aggressor
His fiery body looks like a man of about 6’ tall and with 200 lbs. of muscle. A mane of blazing energy burns on his back and shoulders. His features are distorted by the heat, but you can make out a cruel stern face, and and a jagged crimson crystal floating in the center of the inferno.
Larken showed up some time before Okibi and has been causing havoc on the material plane ever since. It’s implied that he’s to blame for the Olulan invasion and the appearance of the City of Brass.* He has since cut ties with both factions; it looks like he has no qualms about betraying his allies to further his mysterious goals.