List of different bonuses from ranking up:
Rank 1: Trade Basic Items. Buy and sell Normal, Magic, and Rare items in the Bazaar or directly with other players;
Rank 2: Trade Set Items. Buy and sell Set Items in the Bazaar or directly with other players;
Rank 3: Trade Specific Unique Items. Buy and sell Unique items with no Legendary Potential in the Bazaar or directly with other players;
Rank 4: Trade Idols. Buy and sell Idols in the Bazaar or directly with other players;
Rank 5: Trade Exalted Weapons. Buy and sell Exalted Weapons in the Bazaar or directly with other players;
Rank 6: Trade Unique Weapons. Buy and sell Unique Weapons with Legendary Potential in the Bazaar or directly with other players;
Rank 7: Trade All Exalted Items. Buy and sell all Exalted Items in the Bazaar or directly with other players;
Rank 8: Trade All Unique Items: Buy and sell all Unique Items - including those with Legendary Potential - in the Bazaar or directly with other players;
Rank 9: Trade Legendary Weapons: Buy and sell Legendary Weapons in the Bazaar or directly with other players;
Rank 10: Trade All Legendary Items. Buy and sell all Legendary Items in the Bazaar or directly with other players.