Scrolls for ring: 20. A scroll that fails is still used up; one with a Destroy chance can also destroy the item when it fails. See Scrolling for the rules and Scrolls for the other kinds of equipment.

Scroll Success Destroy Stats Cheapest price Other ways to get it
Scroll for Rings for DEX 100% 100% – DEX +1 –
Dark Scroll for Rings for DEX 70% 70% 50% DEX +2 –
Scroll for Rings for DEX 60% 60% – DEX +2 –
Dark Scroll for Rings for DEX 30% 30% 50% DEX +3 –
Scroll for Rings for DEX 10% 10% – DEX +3 –
Scroll for Rings for INT 100% 100% – INT +1 –
Dark Scroll for Rings for INT 70% 70% 50% INT +2 –
Scroll for Rings for INT 60% 60% – INT +2 –
Dark Scroll for Rings for INT 30% 30% 50% INT +3 –
Scroll for Rings for INT 10% 10% – INT +3 –
Scroll for Rings for LUK 100% 100% – LUK +1 –
Dark Scroll for Rings for LUK 70% 70% 50% LUK +2 –
Scroll for Rings for LUK 60% 60% – LUK +2 –
Dark Scroll for Rings for LUK 30% 30% 50% LUK +3 –
Scroll for Rings for LUK 10% 10% – LUK +3 –
Dark Scroll for Rings for STR 70% 70% 50% MaxHP +10 –
Scroll for Ring for STR 100% 100% – STR +1 –
Scroll for Rings for STR 60% 60% – STR +2 –
Dark Scroll for Rings for STR 30% 30% 50% STR +3 –
Scroll for Rings for STR 10% 10% – STR +3 –