How to complete the Blood for Blood side quest in Horizon Forbidden West

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Blood for Blood is a side quest in Horizon Forbidden West that is unlocked after completing The Kulrut main quest. Dekka needs Aloy’s assistance in a personal matter, and it spirals into one of the most challenging side quests in the game. This guide explains how to complete Blood for Blood, so you don’t get stuck on its beast of a boss fight.

After speaking to Dekka, you need to either follow her or meet her at the nearby Rebel Outpost. The Shining Wastes South Rebel Outpost is a small camp that Regalla’s rebels have set up, but it can prove formiddable you if you’re not stealthy. Use the opening to the right of the outpost to sneak inside and systematically kill every rebel. Many of these rebels aren’t wearing masks, so you can hit them in the head with an arrow to kill them in one shot. We recommend precision arrows because they deal the most damage.

Once all the rebels are dead, you need to use Aloy’s Focus on the pillar in the center to identify where the Tenakth soldier who was tied there was taken. Then, follow the trail and help them up from the space beneath the floor. This survivor will give you a clue about where to go next.

Head to Fall’s Edge, a small settlement to the west, and you’ll discover that Dekka’s grandson has been captured. He’s due to face trial by combat until Dekka invokes Blood for Blood, a rule that states she can take his place until he returns after showing Aloy the nearby rebel camp. Regalla’s rebels are planning an assault from somewhere nearby, and they need to be stopped.

Next, head to the campfire where you’re due to meet the captive and his captor to discover a small group