Overlord Volume 12

The Paladin of the Holy Kingdom is the 12th light novel volume in Overlord series. It was released on September 30, 2017. It details about the Holy Kingdom seeking aid from Sorcerer King Ainz Ooal Gown to battle against allied army of demi-humans commanded by Demon Emperor Jaldabaoth.

Main Summary
The 12th volume, where justice is confounded. Featuring the attack of the heinous Demon Emperor, Jaldabaoth.

The Holy Kingdom, which takes great pride in its long peace and which is defended by a Great Wall, is assaulted by an allied army of demi-humans.

The supreme commander of the allied forces is the Demon Emperor Jaldabaoth. The Holy Kingdom faces destruction at the hands of the cruel and merciless Demon Emperor.

The liberation army that seeks to aid the suffering citizens' requests aid from the Sorcerer Kingdom, a nation of the Undead that are also the mortal enemy of the Holy Kingdom. Led by the Sorcerer King Ainz Ooal Gown, the Holy Kingdom sets out to destroy the Demon Emperor Jaldabaoth.

Full Summary
The Roble Holy Kingdom is a human nation which occupied the peninsula to the southwest of the Re-Estize Kingdom. It is a highly religious country, led by a Holy Queen Calca Bessarez, who could use divine magic and who was closely affiliated with the churches. They are not as religiously-oriented as the Slane Theocracy. The entrance to the peninsula is a Great Wall, it is built to withstand invasions from the Demi-Human Tribes of the Abelion Hills located at the east of the Holy Kingdom.

Chapters

 * Chapter 1: The Demon Emperor Jaldabaoth
 * Chapter 2: Seeking Salvation
 * Chapter 3: Beginning the Counterattack

Trivia

 * This is the second arc to have been split into two different books, the first one being the Men in the Kingdom Arc which were Volume 5 and 6.
 * It is the second arc wherein which Jaldabaoth makes another appearance involved in attacking a nation, the first one being the attack on Re-Estize Kingdom.