Benefits: This is a skill feat that scales with your ranks in Use Magic Device. * 0 ranks: You gain a +3 bonus to Use Magic Device checks. * 4 ranks: You don't suffer mishaps with magic items. * 9 ranks: When rolling Use Magic Device checks or random effects from magic items, you may roll twice and take the better result. * 14 ranks: With a swift action and a successful Use Magic Device check against a DC of 30 + the item's caster level, you can gain the benefits of a slotted magic item without needing to have a slot available (for instance, a third ring on your finger) for one round. * 19 ranks: When you activate a wand or staff, you can substitute a spell slot instead of using a charge. The spell slot must be one you have not used for the day, though you may lose a prep