Orion actually jumps a little at the sight of Legion - he hasn't seen him since that once time that Legion stole his trailer. Ultimately he thinks that the other robot was trying to help him, but he never really got the chance to ask-

"I - hello. I mean -" Just then, one of the Magma people trying to break and enter into his cab. Orion's avatar form visibly flinches, and turns in their direction. "Please stop that!"

The cabin door abruptly opens and closes, knocking the cultist off onto their ass.