Guphandera Argoros

Guphandera Argoros (クファンテラ＝アーゴロス) is an undead dragon that is said to inhabit the New World.

Background
Two hundred years ago Guphandera Argoros was a name among the three known Night Liches whose existences brought dread.

In the books found in the palace in Feo Berkana, it is stated that Guphandera Argoros is a dragon that lives on a mountain of the dead.

Guphandera Argoros was also famously known to be one of three night liches who rule over a domains the size of a small kingdoms and were dreaded existences who inspired fear in the countries around them.

The Craftsman of Dwarf Arc
During Hejinmal's encounter Ainz Ooal Gown, the dragon had remember Guphandera Argoros as one the various powerful undead creatures to have been recorded in legends.

The Half Elf God-Kin Arc
The undead dragon was mentioned alongside his colleagues in the Three Night Liches.

Abilities and Powers
Guphandera Argoros's abilities were estimated to be at least on par with a diffuclt rating of a 150, making it equal to a level 50 monster by YGGDRASIL standards at least. Furthermore, the undead dragon was noted to be capable of using and casting psychic-type magic.

Trivia

 * Taking into consideration the time gap between Overlord Bonus Volume and the main series, Guphandera Argoros should be at least two centuries old.
 * He is one of the three publicly known Night Liches that are said to exist.