Apprentice's Scarf

Apprentice Scarf - an accessory that drops from Ogre during the Old One's Army. It allows you to summon an additional helper and increases his damage by 10%. None of his bonuses can be combined with Squire's Shield, Huntress Buckler or Monk's Belt.

Edit Notes
 * If two helpers are called in before Old One's Army begins, they'll call you back.

History
 * It can also be used to summon helpers from Lunar Portal Staff or Rainbow Crystal Staff.
 * 1.3.4: Added.