Unknownkid

That's the weapon/armor durability. When it zero (0/35), your weapon/armor is unusable or is broken. Yes, you can repair but it will cost you. Depends how low the durability number and what type of weapon/armor will post the amount. Uncle Lynus, Sinda (the old fart next to GSD) and Kagon(Dark Elf guy) have an option to repair your armor when you going to sell your goods. Also, do you ever wonder what hot chick at the end of the dungeon do? Forgot her name, but you can sell and repair your equipment right there. Awesome, huh?

I think it like:
Buy - Sell - Repair - All Repair.

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