After killing the mushroom king for Dvalinn and Durin, they offer to upgrade a Legendary (Purple) or Epic (Blue) item for your hero. For a price.
- Quest Start: In the main story, kill the mushroom king in the Old Mine for Durin and Dvalinn. Then talk to them in the Master Forge Chamber.
- Fetch the Mead of Valhöll in Valholl (milk it from Gudrun the Goat) and bring it to Durin.
- Fetch the Mead of Poetry from the southwest corner of Hnitbjorg (get it from a little pond) and bring it to Durin.
- Fetch the Blacksteel Ingot from a room in the Land's End ~ Armory (get it from a chest) and bring it to Durin.
- Reward: Durin will now upgrade one Epic or Legendary (Blue or Purple) piece of equipment by adding random affixes to it (both prefix and suffix).
- Usually Epic and Legendary items don't have any affixes beforehand unless you've added them through this quest. Although there are just a few exceptions such as Black Pearl ring, Crystal Totem amulet, and a couple of more.
- It is possible to overwrite already existing affixes, so you must be careful when upgrading items that have already been upgraded through this quest on a previous difficulty.
- Since you can complete this quest only once per each difficulty, you can upgrade a total of three times per hero.
- It is possible to see the exact information on the affixes you received through this upgrade by using external tools such as TQ Vault.
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