Soskuna.
As his consciousness gradually descended, the influence of his Life Domain on the environment became increasingly obvious. He vowed to kill Wayne, summoning a massive influx of his consciousness, nearly to the point of disregarding all consequences.
The most direct manifestation was that Cain's body was completely corrupted, unable to revert back to a human form.
At the same time, the 'feeble' consciousness disintegrated under the onslaught of dominant energy, bursting with a pop.
The Great Sage had become a vegetative being, his body completely possessed by Soskuna. This wasn't his body, it was cumbersome to use, and many abilities could not be utilized. To pursue higher output, he had to summon even more consciousness to descend.
He could feel that Wayne was at his limit. Just a bit stronger, and victory would be within easy reach.
