You can craft magic arms and armor of epic power.
Prerequisites: Craft Magic Arms and Armor, Knowledge (arcana) 28 ranks, Spellcraft 28 ranks.
Benefit: The character can craft magic arms and armor which exceed the normal limits for such items. For instance, you could craft a magic sword with an enhancement bonus of greater than +5, with a total effective enhancement bonus greater than +10, or that required prerequisite spells of higher than 9th level. See Creating Epic Magic Armor or Shields and Creating Epic Magic Weapons for details.
Source: Standard Reference Document under Open Game License v1.0a, which updated this feat originally published in the Epic Level Handbook, page 52.