SRD:Ring of Epic Protection
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This ring offers continual magical protection in the form of a deflection bonus to Armor Class of +6 or higher.
Caster Level: 20th: Prerequisites: Forge Ring, Forge Epic Ring, shield of faith, creator’s caster level must be three times the ring’s bonus; Market Price: 720,000 gp (+6), 980,000 gp (+7), 1,280,000 gp (+8), 1,620,000 gp (+9), 2,000,000 gp (+10).