• Almost all items can be upgraded

You can upgrade lot of items, in chests, that are in each town.
Each chest is for different upgrade.

• Kattinwell:
  • you need 3 pieces of the same item ( 3x +3 AC helmet, 3x +4Str Belt etc)
  • amulets,ac items, ability items, regen rings etc. ( more info on the chest in Kattinwell)

• Dener:
  • You need 3 to 5 of the same weapon ( depeneds,on the enchantment bonus- the higher the bonus, the more weapons you need - more info on dener Chest)
  • You can upgrade Non Slot weapons like Wakizashi, Dotrije , Nameless Light