Above the crisscrossing waterways of Sanhe Prefecture.
A streak of emerald light, hidden beside a complex river channel, plunged at incredible speed into a pitch-black subterranean cavern, darting through the ever-changing darkness.
After an unknown amount of time, a brilliant light flared up ahead. The figure of Yu Cheng Taoist materialized from the streak of light, landing in the central plaza of a massive grotto.
"Yu Cheng, long time no see."
Someone had arrived before him—Yuan Zheng Taoist. As he spoke, his normally vertical pupils turned pitch-black. He took a glazed bottle from his storage pouch and handed it to Yu Cheng.
Yu Cheng Taoist took the bottle, tipped out the Elixir inside, and swallowed it in one gulp.
"This Elixir will maintain the activity of your Wood Spirit Vein for fifty years. The next one will only last for twenty," Yuan Zheng Taoist reminded him gravely.
