Star Spirit had been on guard secretly for a long time, never seeing the Starlight Priest make a single suspicious move, yet it did not let down its vigilance, still remaining on high alert.
The excruciating pain from the chest surgery without anesthesia was unbearable for ordinary people.
Even as a top-tier Star Mage, Star Spirit's mental strength was extremely powerful, but its physical body remained fragile.
Following the opening of the sternum, sawing through the chest bone, and lifting the rib cage, this series of surgical procedures caused Star Spirit to sweat profusely from the intense pain, yet it didn't utter a sound.
The further the surgery progressed, the more vigilant and defensive it became.
Next came the most critical part, excising the heart and transplanting the "eyeball-heart," then proceeding with vascular anastomosis.
Normally, a special drug would be injected beforehand to slow the heartbeat and blood flow, to minimize surgical damage.