I ALWAYS use heaven's gate honestly for Mature. Neomax is pretty situational and I am not a fan of her other super unless it's to punish unsafe shit people don't know or pay attention to. (such as badly spaced Andy elbow.) But even then, it has to be EXed.
What I love about heaven's gate is that startup has invincibility (the frames before she starts moving/she's hugging herself.) so for people who don't know or untrue blockstrings (Kensou cr.d>fireball for example.) screams a free punish and corner carry. This is also her only hard knockdown move.
the great thing about this that I don't see anyone doing besides me is that she gets a free mixup with ebony's tears. After Heaven's gate, backdash once, buffer Ebony's tears during the backdash, and let that fat fireball rip.
If you do the
version, it's a meaty that they have to block or guard roll. If they guard roll, Mature recovers quick enough to do whatever she wants for a punish. They block and it's free pressure. Be careful on who you do this on. People with EX invincibile supers (claw iori, AoF cast, Shen) can blow this up if their timing is good.
If you do the
version, it's more of a fakeout really since it travels really slow and will catch people off guard.
I haven't fooled around with it more but this super is really underrated at times. Mature wants to mix people up yes, but she shines so well in the corner due to her buttons. (respectively
for whiff pokes,
for stopping opponents from jumping.)