Second Celestial Stairway Promotion Duel

Lin Yuan had previously wanted to let the Source Sand consume a high-grade metal. Even if the Source Sand could only consume a small amount of high-grade metal, its burst damage output would be great.

However, after some considerations, Lin Yuan gave up on that. Be it the Silver/Fantasy Chimey or the Gold/Legend Acid Corrosion Queen Bee, they had terrifying singular burst strength.

Lin Yuan didn't need the Source Sand to produce extremely powerful burst damage by itself. On the contrary, now that the Source Sand consumed the ferromanganese, it gave Lin Yuan immense overall strength.

When looking at the Source Sand's second exclusive skill, Lin Yuan was already overwhelmingly satisfied. However, when Lin Yuan saw the third exclusive skill, he felt that the Source Sand was truly damn-straightforward in terms of what it comprehended from the two Willpower Runes.

Of the two types of transformation, one was related to life while the other wasn't.