Varloris was a scout among the Shel'na Kryhas, protoss refugees stranded on Aiur. He had the ability to detect the presence of zerg.
Varloris was a member of the Khalai Caste before the abandonment of Aiur. Stranded on the planet, he joined the Shel'na Kryhas and became a scout.
He didn't make it to the safety of Shakuras, nor did any other Shel'na Kryhas.