This special ring comes is useful only to arcane spellcasters. The wearer’s arcane spells per day are doubled for one specific spell level. A ring of wizardry I doubles 1st-level spells. Bonus spells from high ability scores or school specialization are not doubled.

Prerequisites: Forge Ring, limited wish.
Cost to Create: 10,000 gp, 800 XP, 20 days.