<p>I'll add as I remember:</p><ul><li><img alt="Soul Orb" src="https://vignette.wikia.nocookie.net/tibia/images/5/52/Soul_Orb.gif/revision/latest?cb=20061210235751&path-prefix=en"> <strong>Soul Orb:</strong> You can trade 1 soul orb for 3 Infernal Bolts with the <a rel="nofollow" href="https://tibia.fandom.com/wiki/A_Sweaty_Cyclops">Sweaty Cyclops</a> in Ab'Dendriel, with a rare chance to get 6 infernal bolts.</li><li><strong><img alt="Small Diamond" src="https://vignette.wikia.nocookie.net/tibia/images/e/e4/Small_Diamond.gif/revision/latest?cb=20060814011946&path-prefix=en"> Small Diamond:</strong> If you have the highest rank of the Nightmare Knights or Brotherhood of Bones, you can use one small diamond to make a <a rel="nofollow" href="https://tibia.fandom.com/wiki/Document_of_the_Follower">Document of the Follower</a>, <a rel="nofollow" href="https://tibia.fandom.com/wiki/Document_of_the_Officer">Document of the Officer</a> or <a rel="nofollow" href="https://tibia.fandom.com/wiki/Document_of_the_Leader">Document of the Leader</a> which are needed to get both the Nightmare outfit and the Brotherhood of Bones outfit.</li><li><strong><img alt="Medicine Pouch" src="https://vignette.wikia.nocookie.net/tibia/images/f/f4/Medicine_Pouch.gif/revision/latest?cb=20110705033929&path-prefix=en"> Medicine Pounch: </strong>You can give this item to NPC <a rel="nofollow" href="https://tibia.fandom.com/wiki/Ottokar">Ottokar</a> to get a <a rel="nofollow" href="https://tibia.fandom.com/wiki/Belongings_of_a_Deceased">Belongings of a Deceased</a>.</li><li><img src="https://vignette.wikia.nocookie.net/tibia/images/1/1a/Boots_of_Haste.gif/revision/latest?cb=20050604051759&path-prefix=en" alt="Boots of Haste"> <strong>Boots Haste" src="https://vignette.wikia.nocookie.net/tibia/images/1/1a/Boots_of_Haste.gif/revision/latest?cb=20050604051759&path-prefix=en"> <strong>Boots of Haste:</strong> can be traded for an <a rel="nofollow" href="https://tibia.fandom.com/wiki/Enchanted_Chicken_Wing" title="Enchanted Chicken Wing">Enchanted href="https://tibia.fandom.com/wiki/Enchanted_Chicken_Wing">Enchanted Chicken Wing</a> at <a rel="nofollow" href="https://tibia.fandom.com/wiki/Haroun" title="Haroun">Haroun</a> or <a rel="nofollow" href="https://tibia.fandom.com/wiki/Yaman" title="Yaman">Yaman</a>.</li></ul><p>Also href="https://tibia.fandom.com/wiki/Haroun">Haroun</a> or <a rel="nofollow" href="https://tibia.fandom.com/wiki/Yaman">Yaman</a>.</li><li><img src="https://vignette.wikia.nocookie.net/tibia/images/9/9e/Royal_Helmet.gif/revision/latest?cb=20070626214908&path-prefix=en" alt="Royal Helmet"> <strong>2x Royal Helmets:</strong> can be trade for a <a rel="nofollow" href="https://tibia.fandom.com/wiki/Fighting_Spirit" title="Fighting Spirit">Fighting Spirit</a> at <a rel="nofollow" href="https://tibia.fandom.com/wiki/Haroun">Haroun</a> or <a rel="nofollow" href="https://tibia.fandom.com/wiki/Yaman">Yaman</a>.</li><li><img src="https://vignette.wikia.nocookie.net/tibia/images/4/4c/Fire_Sword.gif/revision/latest?cb=20120412103823&path-prefix=en" alt="Fire Sword"> <strong>3x Fire Swords: </strong>can be trade for a <a rel="nofollow" href="https://tibia.fandom.com/wiki/Magic_Sulphur" title="Magic Sulphur">Magic Sulphur</a> at <a rel="nofollow" href="https://tibia.fandom.com/wiki/Haroun">Haroun</a> or <a rel="nofollow" href="https://tibia.fandom.com/wiki/Yaman">Yaman</a>.</li><li><img src="https://vignette.wikia.nocookie.net/tibia/images/d/de/Warrior_Helmet.gif/revision/latest?cb=20050611020531&path-prefix=en" alt="Warrior Helmet"> <strong>4x Warrior Helmets: </strong>can be trade for a <a rel="nofollow" href="https://tibia.fandom.com/wiki/Flask_of_Warrior%27s_Sweat" title="Flask of Warrior's Sweat">Flask of Warrior's Sweat</a> at <a rel="nofollow" href="https://tibia.fandom.com/wiki/Haroun">Haroun</a> or <a rel="nofollow" href="https://tibia.fandom.com/wiki/Yaman">Yaman</a>.</li></ul><p>Also the <a rel="nofollow" href="https://tibia.fandom.com/wiki/A_Sweaty_Cyclops">Sweaty Cyclops</a> you can forge certain rare metals from common items, take a look below:</p><table border="1"><tbody><tr><th>Product</th><th>Result (language)</th></tr><tr><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Devil_Helmet">Devil Helmet</a></td><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Piece_of_Hell_Steel">Piece of Hell Steel</a> (Za'Ralator)</td></tr><tr><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Crown_Armor">Crown Armor</a></td><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Piece_of_Royal_Steel">Piece of Royal Steel</a> (Uth'Kean)</td></tr><tr><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Dragon_Shield">Dragon Shield</a></td><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Piece_of_Draconian_Steel">Piece of Draconian Steel</a> (Uth'Lokr)</td></tr><tr><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Giant_Sword">Giant Sword</a></td><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Huge_Chunk_of_Crude_Iron">Huge Chunk of Crude Iron</a> (Uth'Prta)</td></tr><tr><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Gear_Wheel">Gear Wheel</a></td><td><a rel="nofollow" href="https://tibia.fandom.com/wiki/Iron_Ore">Iron Ore</a> (trade Iron Ores for Gear Wheels)</td></tr></tbody></table>