Aelius

Aelius (アエリウス) is one of the five overlord that guards the library, Ashurbanipal of the Great Tomb of Nazarick.

The Two Leaders Arc
Aelius along with his fellow Overlords: Aurelius, Cocceius, Fulvius and Ulpius escorted Mare to the lizardmen village to search for Cocytus.

Abilities and Powers
Aelius is around level 75.

Trivia

 * His name is based on a Roman Emperor.