"Eh, at Atlas our training dummies had forcefields to mimic Aura. A friend of mine is also developing better and more conservative training targets. Training on more durable things while trying to beat the record time for how fast one can slay a Grimm are how I develop things like this. Step back, I'm using my semblance." With a deep breath, Ophelia said "Chrono Erosion!" After, that, she took a single step forward and started moving closer to her actual speed, vanishing with a blur occasionally showing up. 5 punches seemed to land on the bag simultaneously from all directions over the course of less than two seconds before Ophelia slowed down and landed in front of the two again just as it exploded. "So yeah, try practicing what I said, Colton." She then turned to Cidrine and asked, "And who might you be?"