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Name   |
Location |
Market price |
Quest | Members Only |
| Oaken sentinel branch | Treasure Hunter between March 9-13, 2017. | 0 gp | No | Yes |
| Oaken sentinel chest | Treasure Hunter between March 9-13, 2017. | 0 gp | No | Yes |
| Oaken sentinel helm | Treasure Hunter between March 9-13, 2017. | 0 gp | No | Yes |
| Oaken sentinel trunks | Treasure Hunter between March 9-13, 2017. | 0 gp | No | Yes |
| Obliteration | By being crowned a Supreme Champion, or by killing one of the other Supreme Champions in the Crucible | --- | No | Yes |
| Obsidian amulet | By searching the northeastern bookcase, for the book "Handy Maggot Avoidance Techniques", on the second floor of Dr Fenkenstrain's Castle. | --- | Yes | Yes |
| Obsidian bar | Player Made (See Notes). | --- | No | Yes |
| Obsidian boots | Player Made (See Notes). | --- | No | Yes |
| Obsidian cape | Bought from TzHaar-Hur-Tel in the TzHaar City; Monster drop. | 280.2k gp | No | Yes |
| Obsidian charm | Monster drop. | --- | No | Yes |
| Obsidian gloves | Player Made (See Notes). | --- | No | Yes |
| Obsidian golem pouch | Player made (See Notes Section). | 3,618 gp | No | Yes |
| Obsidian Golem scroll (Volcanic Strength) | Using an obsidian golem pouch on an obelisk. | 255 gp | No | Yes |
| Obsidian idol arms | Possible Squeal of Fortune prize between the 18th of October and the 8th of November, 2013. This item is now discontinued. | 0 gp | No | No |
| Obsidian idol body | Possible Squeal of Fortune prize between the 18th of October and the 8th of November, 2013. This item is now discontinued. | 0 gp | No | No |
| Obsidian idol head | Possible Squeal of Fortune prize between the 18th of October and the 8th of November, 2013. This item is now discontinued. | 0 gp | No | Yes |
| Obsidian idol legs | Possible Squeal of Fortune prize between the 18th of October and the 8th of November, 2013. This item is now discontinued. | 0 gp | No | No |
| Obsidian kiteshield | Player Made (See Notes). | --- | No | Yes |
| Obsidian knife | Found on one of the Ancient scales. Tunnel in TzHaar City during Brink of Exintction. | --- | Yes | Yes |
| Obsidian mace | Found near the Ancient scale. Tunnel in TzHaar City during Brink of Exintction. | 0 gp | No | Yes |
| Obsidian mage helm | Player Made (See Notes). | --- | No | Yes |
| Obsidian maul | Found on the ground after you defeat the Tokzaar Champion. Fight Cauldron during The Brink of Extinction. | --- | Yes | Yes |
| Obsidian platebody | Player Made (See Notes). | --- | No | Yes |
| Obsidian platelegs | Player Made (See Notes). | --- | No | Yes |
| Obsidian plateskirt | Player Made (See Notes). | --- | No | Yes |
| Obsidian ranger helm | Player Made (See Notes). | --- | No | Yes |
| Obsidian shard | Monster Drop; TokHaar Fight Cauldron reward. | --- | No | Yes |
| Obsidian staff | Found on the ground, by the statues. Tunnel in TzHaar City during Brink of Exintction. | --- | Yes | Yes |
| Obsidian sword | Found on one of the Ancient scales. Tunnel in TzHaar City during Brink of Exintction. | --- | Yes | Yes |
| Obsidian throwing ring | Found on the ground, by the statues. Tunnel in TzHaar City during Brink of Exintction. | --- | Yes | Yes |
| Obsidian warrior helm | Player Made (See Notes). | --- | No | Yes |
| Occult gorajan trailblazer body | Possible reward from Treasure Hunter, obtainable during the promotion from 13th to 17th of October 2016. | 0 gp | No | Yes |
| Occult gorajan trailblazer feet | Possible reward from Treasure Hunter, obtainable during the promotion from 13th to 17th of October 2016. | 0 gp | No | Yes |
| Occult gorajan trailblazer hands | Possible reward from Treasure Hunter, obtainable during the promotion from 13th to 17th of October 2016. | 0 gp | No | Yes |
| Occult gorajan trailblazer head | Possible reward from Treasure Hunter, obtainable during the promotion from 13th to 17th of October 2016. | 0 gp | No | Yes |
| Occult gorajan trailblazer legs | Possible reward from Treasure Hunter, obtainable during the promotion from 13th to 17th of October 2016. | 0 gp | No | Yes |
| Ocean's Archer Body and Hands token | Won from Treasure Hunter during the Ocean's Alliance - The Archer promotion (January 2018). | 752.0k gp | No | No |
| Ocean's Archer Bow token | Won from Treasure Hunter during the Ocean's Alliance - The Archer promotion (January 2018). | 397.7k gp | No | No |
| Ocean's Archer Crossbow token | Won from Treasure Hunter during the Ocean's Alliance - The Archer promotion (January 2018). | 270.9k gp | No | No |
| Ocean's Archer Head token | Won from Treasure Hunter during the Ocean's Alliance - The Archer promotion (January 2018). | 355.4k gp | No | No |
| Ocean's Archer Legs and Feet token | Won from Treasure Hunter during the Ocean's Alliance - The Archer promotion (January 2018). | 552.3k gp | No | No |
| Ochre snelm (pointed) | Player made (See Notes Section). | 91 gp | No | Yes |
| Ochre snelm (round) | Player made (See Notes Section). | 173 gp | No | Yes |
| Octopus | Located in the interrogation room of the Penguin Outpost. | --- | Yes | Yes |
| Octopus backpack | Can be bought from the Rare token store for 7,000 tokens. | --- | No | No |
| Octopus companion pet token | Possible reward from completing the Summer Beach Party activities | 425.9k gp | No | No |
| Oculi apoterrasaur | Result of checking an Oculi apoterrasaur (unchecked); Result of breeding oculi apoterrasaurs at the Ranch Out of Time. | 0 gp | No | Yes |
| Oculi apoterrasaur (unchecked) | Found when skinning Oculi apoterrasaurs in Big Game Hunter; Chance to obtain from Irwinsson's Hunter Mark Shop's Dinosaur Egg option (80 hunter marks). | 723.3k gp | No | Yes |
| Oculi apoterrasaur glacies | Result of breeding oculi apoterrasaurs at the Ranch Out of Time. | 0 gp | No | Yes |
| Oculi apoterrasaur glacies (unchecked) | Obtained from the Dream of Iaia. | 709.1k gp | No | Yes |
| Oculi apoterrasaur meat | Player made (See Notes Section). | 4,150 gp | No | Yes |
| Oculi apoterrasaur oceanum | Result of breeding oculi apoterrasaurs at the Ranch Out of Time. | 0 gp | No | Yes |
| Oculi apoterrasaur oceanum (unchecked) | Obtained from the Dream of Iaia. | 684.1k gp | No | Yes |
| Odd bird seed | Birdseed holder in the Eagles' Peak Cave. | --- | Yes | Yes |
| Odd cocktail | Player made (see notes). | 0 gp | No | Yes |
| Off-hand adamant crossbow | Player made (See Notes Section). | 9,268 gp | No | No |
| Off-hand adamant dart | Player made (See Notes Section). | 32 gp | No | No |
| Off-hand adamant knife | Player made (See Notes Section). | 507 gp | No | No |
| Off-hand adamant throwing axe | Player made (See Notes Section). | 269 gp | No | No |
| Off-Hand Ardent Mace 1 | Unlocked during 2015 Valentine's Day seasonal event for 400 Rose petals (scattered). | --- | No | No |
| Off-Hand Ardent Mace 2 | Unlocked during 2015 Valentine's Day seasonal event for 400 Rose petals (scattered). | --- | No | No |
| Off-Hand Ardent Mace 3 | Unlocked during 2015 Valentine's Day seasonal event for 400 Rose petals (scattered). | --- | No | No |
| Off-Hand Ardent Mace 4 | Unlocked during 2015 Valentine's Day seasonal event for 400 Rose petals (scattered). | --- | No | No |
| Off-Hand Ardent Mace 5 | Unlocked during 2015 Valentine's Day seasonal event for 400 Rose petals (scattered). | --- | No | No |
| Off-Hand Ardent Mace 6 | Unlocked during 2015 Valentine's Day seasonal event for 400 Rose petals (scattered). | --- | No | No |
| Off-Hand Argonite Battleaxe | Player made (See Notes Section); Monster drop. | 0 gp | No | Yes |
| Off-Hand Argonite Dagger | Player made (See Notes Section) or Monster drop. | 0 gp | No | Yes |
| Off-Hand Argonite Knife | Player made (See Notes Section); Monster drop. | 0 gp | No | Yes |
| Off-Hand Argonite Longsword | Player made (See Notes Section); Monster drop. | 0 gp | No | Yes |
| Off-Hand Argonite Rapier | Player made (See Notes Section); Monster drop. | 0 gp | No | Yes |
| Off-Hand Argonite Warhammer | Player made (See Notes Section); Monster drop. | 0 gp | No | Yes |
| Off-hand Armadyl crossbow | It is dropped by Commander Zilyana and her minions. | 3.2m gp | No | Yes |
| Off-Hand Ascension Crossbow | Player made (See Notes Section). | 45.6m gp | No | Yes |
| Off-hand attuned crystal chakram | Player made (See Notes Section). | --- | No | Yes |
| Off-hand attuned crystal dagger | Player made (See Notes Section). | --- | No | Yes |
