Absolver

Story related, can't be missed.

Cargal & Kilnor are a pair of bosses in the game and can be found in the Adalian Columbary. This fight only has two phases but sees you dealing with both at once. The main mechanic is as you try to attack one, they will be defensive as the other sibling tries to hit you. Be careful of this and try to damage them both equally to help in the second phase.

Once one of the two are down to around 25% health, the pair will draw out their swords to try and defeat you. Repeat the same tactic as phase 1 and the two should fall pretty quickly.

This fight also has an additional trophy tied to it, see You were like a brother to me! for additional information.