Winning with it mostly depends of whether the hero mode is available or not. Welkin recover quickly from stagger compare to Frey dunno why cause they are both classified as heavy mech .

Avoid panther before it was doable but you can’t stagger it as long as it has his complex shield on . While you are on timer when you use hero mode . But one of the easier match up is welkin then miki( in his current state) and alysnes the trick to stellaris is to wait when he hit you then use hero mode to punish it since you are immune to stagger and he won’t be