A Sister's Pledge

Please, $N. I know it is Arugal you're after. I swear on my father's memory I will help you take him down.$B$BBut I must beg you... Anya is completely innocent, we cannot leave her with these savages.$B$BHelp me rescue my sister and you'll have me at your side when you face Arugal.$B$BI know the den Anatoly spoke of. We'll find it on the other side of this hill. Let's go, my sister's in danger.