True Shadow Scale

True Shadow Scale is a Pre-Hardmode crafting material dropped by The Hive Mind. It is used in crafting the items dropped by The Hive Mind, as well as a few magic weapons and the Teratoma. It is the Corruption counterpart to the Blood Sample.

Trivia

 * Despite its name, it shares no relation with Shadow Scales apart from the fact that it also drops from a Corruption boss.