C677 Accident

Yu Kun was genuinely taken aback. It usually took some time for ordinary people to summon Demonic Arts. Even with his system and the ability to Devour Bloodlines to reduce the casting time, it wasn't something he could do on a whim.

To his surprise, the Six-Winged Flying Roc could instantly invoke Demonic Arts!

Luckily, Yu Kun's Movement Technique was exceptional