Blink (Weavecraft)
Level: Mage 3, Bard 3, Ranger 3, Assassin 3
Mana: 30. Persistant. Base Success: 100%.
  Causes the caster to flicker in and out of the ethereal plane, giving attacks against him a 50% miss chance. Creatures that can see invisible or are using a ghost touch weapon ssuffer only a 25% miss chance, and creatures who can do both do not suffer any miss chance at all.