Let's see...
>>63037370she has a self-harm mechanic that rewards her meter (likely character specific too based on
>>63037563)
>>63037408but when she does have meter however, she has access to an attack, most likely a special due to its metered nature. however, said attack appears to be tied to a single button press - B, which is popularly mapped as the heavy attack button in most traditional fighters. the simplest conclusion being: the game has single button specials mapped to B; and two attack buttons mapped to X and Y. alternatively, B could in fact be a heavy attack, one that's very rewarding on hit if cancelled into said special (as well as being safe on block, and possibly grants pressure). it's heavy nature possibly makes it a good (counter)poke to fish for in neutral, in which case, it'd probably be a trident normal with decent recovery.