Elder Vampire Bat

Elder Vampire Bat is an undead from YGGDRASIL that can be summoned by Shalltear.

Appearance
Elder Vampire Bat is described as some sort of bat-like monster enormous in size. It possessed both a separate pair of wings and glowing crimson eyes.

Abilities
Elder Vampire Bat is a vampire-type undead that is capable of flying on air. This creature has special sensory organs that can see through a magic caster's tier spell, 'Invisibility' without fooling its visual sense.

Trivia

 * Shalltear can conjure multiple Elder Vampire Bats through using her Household Summons skill.