Sergeant United Shield

The Sergeant United Shield is a boomerang. Only 1 can be thrown at a time. It automatically homes in on any nearby enemy and can hit it more than once. It is sold by the Travelling Merchant.

Trivia

 * This weapon and its description are a reference to Captain America.
 * It is recommended to be used against Skeletron Prime and the Lunatic Cultist
 * This weapon and the influx waver could be a really good combo against the Lunatic Cultist.