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Name   |
Location |
Market price |
Quest | Members Only |
| Onyx | Monster drop and Player made (see notes) | 1.1m gp | No | Yes |
| Onyx amulet | Player made (See Notes Section). | 1.1m gp | No | Yes |
| Onyx dragon mask | Possible reward from a Reward casket (master). | 1.1m gp | No | Yes |
| Off-hand briefcase | Possible Treasure Trails reward (Medium Clue scroll). | 1.6m gp | No | Yes |
| Off-hand Armadyl crossbow | It is dropped by Commander Zilyana and her minions. | 3.9m gp | No | Yes |
| Off-hand dragon crossbow | Player made (See Notes Section). | 5.2m gp | No | Yes |
| Off-hand shadow glaive | Monster drop; Purchased from the Grand Exchange. | 8.7m gp | No | Yes |
| Orange parasol | Treasure Hunter promotion (Build a Beach). This event runs from August 11th till August 15th. | 9.5m gp | No | No |
| Off-hand drygore longsword | Monster drop; Player made (See Notes Section). | 21.8m gp | No | Yes |
| Orb of the Cywir elders | Dropped by Helwyr | 21.9m gp | No | Yes |
| Off-hand drygore rapier | Monster drop; Player made (See Notes Section). | 24.3m gp | No | Yes |
| Off-hand drygore mace | Monster drop; Player made (See Notes Section). | 25.0m gp | No | Yes |
| Off-hand Khopesh of the Kharidian | Dropped by monsters in the Sophanem slayer dungeon and found in chest from Shifting tombs. | 35.7m gp | No | Yes |
| Off-Hand Ascension Crossbow | Player made (See Notes Section). | 43.5m gp | No | Yes |
| Off-hand Blightbound crossbow | Monster Drop. | 85.6m gp | No | Yes |
| Orlando Smith's hat | Possible reward from Reward casket (master). | 2,147.5m gp | No | Yes |
