Just one more small wall flaw
Also I died two times just because instead of shoot hidden behind crate, I grab them and get frustrated. (I think it's good to add option to disable mouse grabbing, I used use only action key for this)
Train one of hardest boss for me, but also absolute love! Many years ago I tried to do something like that at HL1 but can't because engine restrictions (HL1 Retribution mod supports entity parenting, but have troubles with rotation)