C28 Tattoo of Forbidden Spell

Yan Boyong's face instantly turned ashen. Seeing his appearance, Qin Yu knew that there was something strange about him. Without saying anything, he grabbed Yan Boyong's hand and saw that there was a strange black rune drawn on Yan Boyong's palm.

"This is …" Spirit Patterns? " Qin Yu looked at the black rune. From its lines, it was obviously a completed Spirit Patterns! However