The man and the snake absorbed the pure spirit energy and the Yin blood poison from the Blood Pill.

However, according to Xiao Yi's command, Gu Lu temporarily sealed the Yin blood poison in its stomach. It was not in a hurry to refine it.

It was because Gu Lu's cultivation speed was too fast. If it took another step, it would be the Transformation Stage. Thunder Tribulation was about to arrive, and with such a fast cultivation speed, the power of the Thunder Tribulation definitely couldn't be small.