What NPC Do I trade Weapons Too?

The more I read on here, the more I realize I don't know allot. 😛

I know of one merchant in the shopping district who takes 10* weapons and up..Is there anyone who takes 8-9* weapons? It always warns me before I sell them or use them as enhance fodder..Should I be keeping my 8-9* weapons for anyone/anything?

Anyone at all?

it's in the plaza somewhere on top floor, you can also exchange them in the swap shop in your menus.

Edit: just realised it was about weapons of 1* to 9* rarity those are basically worthless sell them.

I sell all 1 to 9 star items. I trade in 10 and 11 stars for ex cubes. But that's just me.

Thank you 🙂