The sigil is used to create defenders by combining it with new or fully-repaired two-handed Barrows weapons. * Combine it with Dharok's greataxe, Guthan's warspear, Torag's hammer, or Verac's flail to create a corrupted defender * Combine it with Ahrim's staff to create a blighted rebounder * Combine it with Karil's crossbow to create a tainted repriser Akrisae's war mace, Ahrim's wand, Ahrim's book of magic, Karil's pistol crossbow, and Karil's off-hand pistol crossbow cannot be used to create any defenders.