Also known as: フレイムスティーラー, 至黑之剑,盗火行者, 盗火行者
The enemy boss of Honkai: Star Rail's 3.1 Amphoreus story. He has a Mask covering his face, a tattered two-sided Hooded Cloak with purple inner fabric, Shoulder Armor on his left shoulder, sharp Gauntlets, and two Swords (a modified Dawnmaker (Honkai: Star Rail) plus the Ceremonial Blade (Honkai: Star Rail)) as his melee weapons.
He is revealed to be Phainon (Honkai: Star Rail) from Amphoreous' original cycle.