Rakuin no Monshou VI Inishie no Miya ni Ryu wa Mezameru

is the sixth volume of the Rakuin no Monshou light novel series, written by Tomonori Sugihara and Illustrated by 3. It was released under the Dengeki Bunko Imprint in July 2010.

Synopsis
Orba who regained Helio from the army of Mage Garda. With that as a starting point, the Western Allied Forces led by Arks Bazgan aim to overthrow Garda. Orba, who was entrusted with a platoon of mercenaries, headed for Kadain, which was protected by the warlord Nirgif, but there was a terrifying trap waiting for him. The war that spread all over the west swallows each speculation, but what is Orba's determination in front of his unprecedented enemy? Whereabouts of the decisive battle with Garuda !?

(source: Bookwalker JP - Translated)