Upon hearing how difficult it was to acquire the Thunder Copper Essence—not to mention that the thunder copper ore was hard to come by, and refining the ore itself was a lengthy process—Li Lin felt a wave of disappointment. His words grew increasingly urgent, and the look he gave Lei Cangqiong was filled with earnestness.
"Senior Lei, I earnestly beg you to show me a way. The junior is truly in urgent need of Thunder Copper Essence."
Lei Cangqiong looked at Li Lin with a complex expression. After a moment of silence, he slowly took out a piece of spiritual material the size of an infant's fist from his storage ring. It was wreathed in arcs of lightning and exuded a terrifying aura.
Chapter 503