Valens and his fellows were seen by contemporaneous and later Church historical sources, to vacillate according to the political winds, being 'always inclined to side with the dominant party.
He was one of a group of Bishops including Ursacius of Singidunum (Belgrade) who made accusations of impropriety against Athanasius of Alexandria[1] resulting in the First Synod of Tyre.
Accordingly, they journeyed to Rome, presenting a written recantation to its bishop, Julius, and wrote to Athanasius, expressing their willingness to hold communion with him in the future.
[2] During the battle of Mursa Major, while Constantius II sheltered in a tower near the battlefield, he was attended by Valens, who allegedly was able to prophesy the outcome.
Ursacius of Singidunum and Valens soon proposed their new creed,[7] drafted at the Fourth Council of Sirmium of 359 but not presented there.