This special ring is useful only to arcane spell-casters. The wearer's arcane spells per day are doubled for one specific spell level. A ring of wizardry IV doubles 4th-level spells. Bonus spells from high ability scores or school specialization, are not doubled.
Design or inscription on Ring. Caster Level: 20th
Prerequisites: Forge Ring, limited wish Market Price: 100,000 gp.