Fine shards of blood crystal floated in the morning mist, and the ring on Su Li's fingertip suddenly burst into black flames.
Yeli's six wings suddenly unfurled to form a devouring black hole, but twelve rhombic crystals emerged from the flames, each engraved with twisted demonic runes.
"It's a secondary fragment of the Black Star core!" Su Li shouted in pleasant surprise. "These fragments have been specially refined and can serve as keys to the Blood-Weeping City's grand defensive formation."
Chapter 774