First of all,
Why are humans so obsessed with ears?
Also, consider that wielding a big and sharp object may cause loss of testickles or body parts. The majority of swordmasters missing at least 1 eye. She has both eyes, but her ears were not that fortunate.
The scaling on the pic is wrong, so is the scaling in game. So this shows just how well the artist did her job!
However the pistol beam ruins the pic. It looks like a lightsaber to me.