SWORD ART ONLINE Re: Hollow Fragment

This is a very easy bronze to obtain, considering I had around three-hundred million or so at the end game. Just gotta sell all the stuff you don't want/need, that you aren't keeping for other trophies, i.e the

As you progress floors, and progress through the hollow area, you'll collect a lot of col from different things, and spend a lot of it, too, sure. But you'll obtain a lot of armor and weapons you do not want/will never use, especially in the hollow area, that place is loaded with weapons from chests.

All you need to do is go to Agil's Shop (the main bar where you room is) in Arc Sophia (floor 76 town), speak to Agil at the counter, and sell him all the stuff you don't want, easy as that.