Chapter 150.1 - Why don't you see for yourself ?

Astron settled into position, his stance shifting slightly as he prepared to engage the dummies in earnest. Irina watched closely, her curiosity intensifying. She was already familiar with his impressive speed and agility—qualities that had always set him apart. And true to form, he displayed those traits now, weaving effortlessly through the oncoming strikes with a fluidity that made it look almost easy. 

Yet something nagged at her. This was the same Astron she'd seen before, albeit with a slightly heightened speed thanks to the bracelet. He moved with precision, slipping between attacks, delivering well-timed counters that incapacitated the dummies one by one. But that was it. Nothing about his movements explained why he'd chosen the bracelet over artifacts that were far more powerful and suited to magic or even defense.