As the words fell, the three Core Formation cultivators moved their arms in unison, and dozens of strands of true essence emerged from their palms, flying several meters from the cloud platform and beginning to transform.

When one reaches the Perfected Qi Condensation Stage, breaking through requires condensing true essence in the Qi Palace using spiritual power.

The true essence accumulates continuously and eventually forms a core, marking the achievement of the Core Formation Stage.

This method of breakthrough seems simple, but since all operations are conducted within the Qi Palace, it is extremely difficult and perilous in practice.