Valkyrie

The Valkyrie is an Pre-Hardmode enemy found in Space. She flies and dashes towards the player to deal with contact damage in which it inflicts the Bleeding debuff and fires three hostile Javelins.

She is one of a few enemies that can be detected with an Lifeform Analyzer.

Trivia

 * Valkyries are female entities from Norse mythology who choose those who may die in battle and those who may live.