A rusty mechanical device you got found in the Fortress looks like it might be valuable. Take it to Deidamia the archaeologist to find out.
Step 1. Talk to DeidamiaAn archaeologist at the Twilight Battlefield in Reshanta. She was dispatched by Sanctum to study the Abyss..
Step 2. Talk to LycianAn archaeologist at the Mud Falls. He is a genius scholar, but his everyday life is a mess..
Step 3. Talk to AnusisA master craftsman who ascended late in his life. He knows about all legendary swords, and can be found in Artisans Hall..