As for Gu Yi himself...
The purple lake had been formed from the Demon Venerable's blood. One of his Martial Souls happened to be blood.
Gu Yi's original plan had been to see whether he could devour this purple lake and merge it into his Blood Martial Soul!
Gu Yi's gaze sharpened as he looked at the purple lake before him. He grabbed Qing Lin and jumped straight in.
In an instant, the purple lake seemed to come alive. It let out a roar and churned madly, raging furiously. The purple liquid dissolved Gu Yi and Qing Lin's clothes, then seeped through every opening into their limbs and bones, trying to occupy their bodies and replace their Martial Souls.
Gu Yi said in a low voice, "Qing Lin, calm your mind and focus. Use your Jade-Green Snake Three-Flower Pupils to subdue this purple blood and merge it into your Snake Martial Soul!"
Qing Lin's delicate brows furrowed slightly. She nodded at once and hurriedly activated her Jade-Green Snake Three-Flower Pupils and Green Snake Martial Soul. An inexplicable ripple spread from her eyes, restraining the power of the purple blood.
Gradually, purple markings emerged across Qing Lin's body, and the origin of her Green Snake Martial Soul steadily grew stronger.
At the same time, Gu Yi, who was also being assaulted by the purple blood, revealed seven soul rings behind him. The golden seventh soul ring shone brilliantly, and a blood-colored lake instantly descended into this space, overlapping with the purple lake.
The powers of the two lakes collided, throwing up countless waves. Energy ripples swept through the forbidden ground without end, while blood-red and purple light illuminated the surroundings.
Gu Yi sat cross-legged within the blood lake, his expression solemn as he decisively used the power of the Myriad Worlds