>>96378125
Why would someone make this and how did it end up here?
Deraged wizard may collect or make cursed items just because. Treasury keeper may plant some cursed jewel in his vault as additional burglarly countermeasure (but coins are probably safe. Evil overlord geat that trades brief ower boost for long term consequence, and so on...

>>96381967
Zanki Mugen-chan has some neat curses and traps - ranging from entrapment to dissolvement or plushification.