The skin bound by the limbs slowly emitted a web-like black line.
As soon as the silk ropes touched those black lines, they ignited without fire, and the pure flames soon burned away the things that bound him completely.
Arao noticed his abnormality; her gaze fell on the black flame mark on his wrist, her pupils suddenly contracted, as if her mind was momentarily taken away. The Dream Smoke dropped from her hand in shock as she murmured: "Heart... Heartburn Fruit?!"
How could he have Heartburn Fruit on him?!
Heartburn Fruit is a forbidden object of the Demon Clan. Every time the Demon Lord undergoes heart tribulations, they would take a Heartburn Fruit, enduring the fierce pain of heartburn and bone agony.
