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Then Su Yu sat cross-legged, getting into a meditative state to restore his peak condition.

By nightfall.

Su Yu officially began the process of creating Foundation Establishment Pills.

Seven days passed by in a blink.

"Buzz!"

When the familiar aroma of the pills wafted through the air, Su Yu hastily deployed his pill collection technique. The cover of the pill furnace flew open, and four Foundation Establishment Pills floated out and hung in front of him.

This time, perhaps due to his suboptimal condition, only one pill from the four was of excellent quality.

The remaining three were standard grade.

Su Yu let out a sigh of relief and nodded approvingly, "It's fine, having one of excellent quality is sufficient."

Placing the four Foundation Establishment Pills in jade bottles, he then put them in a jade box. This jade box can be considered an ancient form of a Qiankun Bag, with variable storage space, ideal for preserving pills.