The idea here is to add a curse system to equipment and weapons (it's inspired from Pixel Dungeon, a little RPG).
Mechanic
A cursed item isn't movable from equipment slot if you equip it, and it has a bad bonus (like -10% of accuracy for a weapon, and less defense for armors (it will be writed in red)...).
New items
This system includes new items : a scroll of curse removing (remove a curse on an item), and an identify scroll (identify if item is cursed). The first one is cheap (very), and the second one is not.
Chance to get a cursed item
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