Simply put, Xbot's SA2 was being triggered abnormally, while she was cornered and not far away at all. I think it's a result of gaining Precision from the Ms Fortune gold PF modifier. I don't have a way to record video unfortunately, otherwise I would be able to show exactly what was happening, but here's the basics: Whenever I would chip down 10% of her health the PF modifier would cause her to gain Precision, and along with the Precision she would also gain 1 stack of barrier and heal for 3% health. This was all happening while I was near her, and even mid-combo. So, her SA2 wasn't being triggered by her SA1, instead it was being triggered by gaining Precision. Is this intentional? If so, could the wording on her SA2 be changed to make that more clear? Like 'When gaining PRECISION also gain BARRIER and heal for 3% HEALTH' or something like that. Tbh, I'm kind of hoping it is. It'd be a good ""buff"" for a diamond that's considered to be 'just okay' (buff in double quotes because it's not actually changing anything except how the ability text is worded). Slap a 'To Be Precise' catalyst on there and you've got a great defender.