The Champion of Berath

The Champion of Berath is a side quest in.

It is available only if the player chose to kill Raedric in Lord of a Barren Land, and is received from a Frightened Villager at the Celestial Sapling in Hearthsong. The quest can also be started by speaking to the statue in Caed Nua, who will give you a letter from Raedric himself.

Synopsis
"You have done me grievous injury, and I will answer in kind. Know this: Your efforts in Gilded Vale have brought only ruin upon you, for I will not suffer you to walk Eora in peace while I draw breath. My subjects will pull your keep down to its foundations, brick by brick, until you return to face your final judgment in honorable combat..."

Called upon to slay Lord Raedric VII in Lord of a Barren Land, the Watcher accepted and fulfilled the grim task of tyrannicide, assuming that with this act of violence Gilded Vale would be purged of his influence for good. Raedric, however, had other plans, and an encounter at the Celestial Sapling in Twin Elms with a guard from Gilded Vale reveals that he has returned from death to his keep to seek vengeance for his murder. Kolsc — if the Watcher installed him on the throne — is now dead at his hand. What is more, Raedric has issued an ultimatum: either the Watcher will return to face him again in person, or his army of the undead will raze Caed Nua to the ground.

Walkthrough
When you enter the area, you are met by a Fampyr. You can kill her, but if you ask her instead to take you to Raedric, it saves having to search for him. After you killed Raedric, you can recruit her for your Stronghold (-3 prestige, +5 security, per day).

Raedric can be found on siege platform (top level of the ramparts, north-east), accessible from the middle of the sanctuary. When the fight starts, his first action is a wide-area fire attack that does a lot of damage.

Killing Raedric completes the quest. You gain an Extraordinary amount of Reputation with Gilded Vale, and a large amount of experience.

Afterward, the hold is abandoned, so if you didn't clean it out before, you can do so now with impunity.