| Ogress champion [] | 1 | 38.5/1,000 |
| Ogress warrior [] | 1 | 27.8/1,000 |
| Ol' Sawtooth (Normal mode) [] | 1 | 320/1,000 |
| Olivia the Chronicler (Normal mode) [] | 1 | 320/1,000 |
| Onyx dragon [] | 1 | 269/1,000 |
| Onyx dragon (Dragonkin Laboratory) (Normal mode) [] | 1 | 320/1,000 |
| Oreb, the Magister (Normal mode) [] | 1 | 320/1,000 |
| Ork legion [] | 1 | 3/11 |
| Oyu the Quietest (Normal mode) [] | 1 | 320/1,000 |
| Pee Hat [] | 1 | 52/1,000 |
| Pirate plunder [{'content': 'Estimated rarity may be inaccurate due to a low sample size.', 'name': 'inaccurate'}] | 100 | 3/267 |
| Pirate plunder (small) [{'content': 'Estimated rarity may be inaccurate due to a low sample size.', 'name': 'inaccurate'}] | 100 | 3/267 |
| Possessed pickaxe (Lair of Tarn Razorlor) [] | 1 | 23.4/1,000 |
| Profane Scabarite [] | 2 | 20/100 |
| Pyrefiend [] | 1 | 23.2/1,000 |
| Pyrefiend [] | 1 | 23.2/1,000 |
| Quetzathog (Normal mode) [] | 1 | 320/1,000 |
| Ravenous ghoul [] | 1 | 49.9/1,000 |
| Red dragon [] | 1 | 452/1,000 |
| Red dragon (Dragonkin Laboratory) (Normal mode) [] | 1 | 320/1,000 |
| Renegade Menaphite soldier (Normal mode) [] | 1 | 320/1,000 |
| Ripper Demon [] | 4 | 115/1,000 |
| Ripper dinosaur [] | 1 | 93.7/1,000 |
| Rock [] | 1 | 52/1,000 |
| Rock crab [] | 1 | 9.05/1,000 |
| Rock lobster [] | 2 | 70.5/1,000 |
| Rogue [] | 1 | 12.6/1,000 |
| Rorarius [] | 1 | 115/1,000 |
| Rune dragon [] | 4 | 216/1,000 |
| Salawa akh [] | 1 | 44.8/1,000 |
| Sangri the Red (Normal mode) [] | 1 | 320/1,000 |
| Sanguine crawler [] | 1 | 63.6/1,000 |
| Sarkhan the Serpentspeaker (Normal mode) [] | 1 | 320/1,000 |
| Scarab akh [] | 1 | 44.8/1,000 |
| Scutarius [] | 1 | 190/1,000 |
| Sea crocodile (Normal mode) [] | 1 | 320/1,000 |
| Sea horror (Normal mode) [] | 1 | 320/1,000 |
| Seeker [] | 1 | 44.8/1,000 |
| Seiryu the Azure Serpent (Normal mode) [] | 1 | 320/1,000 |
| Shadow warrior [] | 1 | 53.2/1,000 |
| Shiny columbarium key [] | 1 | 39.5/1,000 |
| Shrine Maiden Elei (Normal mode) [] | 1 | 320/1,000 |
| Shul the Molten (Normal mode) [] | 1 | 320/1,000 |
| Skeletal hand [] | 1 | 16.8/1,000 |
| Skeletal Wyvern [] | 2 | 34.1/1,000 |
| Skeleton (Level 45) [] | 1 | 24.9/1,000 |
| Skeleton (Level 77 (hatchet)) [] | 1 | 48.8/1,000 |
| Skeleton (Level 77 (sword)) [] | 1 | 51.7/1,000 |