Checking both the PDF and print versions of SF Xtreme, Stun for robots is resolved using Electronic resistance. As robots are immune to every other reason a character would need to roll a Stamina Resistance roll, I am curious why the designer would give a robot Resistance: Stamina? Sure, I did, having not read the bit about Stun being resolved with Resistance: Electronic when running my combat last Sunday and the Sunday before that. Thank you.