User blog comment:Anon421/Small Hints About New Weapons in Chapter 7 Part 2(?)/@comment-31479589-20190715074133

Dunno if anyone noticed this or not. But, do you remember that Feldsher in Chapter 2 was using Fate Slicer, when his avatar depicts him with a Naginata? This was corrected when Shadow Piercer was added during Chapter 3 update.

A similar case might happens to Jet, as the weapon in her avatar and what she actually wields in-battle are clearly different from each other.