Virus

Virus (Richard Cryonis) became who is is when Secondary fire unleashed Nicholson Technology's 'weapon' on to Stalmere. This 'weapon' caused the biological weapons that Cryonis was in proximity with to go off, causing the gas emitted from the weapons to seep into his body and fuse with his cells.

When he came to, he felt normal, but he knew that something was off. He rose to see that all people other than him in the room were executed by the gas from the weapons. He knew in that moment that something was wrong, but he decided to put it off as luck.

During Crimson S4
He was a late bloomer in terms of power taking effect, and