章 559: Chapter 253: Simulated 67 Years, Invincible Below Immortal Realm! (10,000 words, combined 2 chapters)_6

However, Su Xing thought that a demonic beast at the Human Immortal Realm should have more than 100 jin of flesh essence. Combined with the demon core, leather, and other materials, the energy contained should be far greater.

"Calculating the time, Lu Yuanwu should be waiting by now..."

Su Xing then started to disguise himself and suppress his aura before setting off for the transaction with Lu Yuanwu.

The transaction went smoothly without any unexpected events. Su Xing successfully exchanged the alien metal for 2 billion simulated energy.

Afterward, Su Xing headed to the Immortal Martial Era Instance to mine more alien metal minerals.

In one week, Su Xing mined 3,000 cubic meters of fourth-rank special metal. After refining, it would net another 6 billion points of energy!

"Sigh, sitting around doing nothing is impossible... I have to mine myself to barely sustain the energy expenditure..."