SGAmod/Wraith Core Fragment

The Wraith Core Fragment is a -Summoning item which summons the. It may be used at any time of day, in any location.

Trivia

 * Despite the tooltip, you can still normal craft both a furnace and bars at one. However, the Copper Wraith will automatically summon after 30 bars have been produced, if he has never been defeated before, allowing one to summon him once without needing the summoning item.