Giant Bat

Giant Bat (吸血蝙蝠) is a Monster species that reside within the Sealed Cave. Due to its wings that regulate its own gravity, it's capable of flight.

Skills

 * Vampirism: By sucking the target's blood the user can temporarily gain its Skills.
 * Ultrasound Waves: Used bewilder the enemy or causing him to faint. The Skill can also pinpoint one's location.

Trivia

 * Rimuru developed his ability to speak based on its Ultrasound Waves skill.