| Wolf [] | 1 | 1/134.4 |
| Woman [] | 1 | 1/29.7 |
| Yadviga [] | 1 | 1/1,365.3 |
| Yuri [] | 1 | 1/1,365.3 |
| Zamorakian cultist (Normal mode) [] | 2–6 | 1/35.1 |
| Zamorakian cultist (Story mode) [] | 1 | 1,300/10,000 |
| Zamorakian hound master (Normal mode) [] | 2–6 | 1/70.2 |
| Zamorakian hound master (Story mode) [] | 1 | 1,300/10,000 |
| Zamorakian hunter (Normal mode) [] | 2–6 | 1/35.1 |
| Zamorakian hunter (Story mode) [] | 1 | 1,300/10,000 |
| Zamorakian ritual keeper (Level 107 (Normal mode)) [] | 2–6 | 1/35.1 |
| Zamorakian ritual keeper (Level 107 (Story mode)) [] | 1 | 1,300/10,000 |
| Zamorakian ritual keeper (Level 115 (Normal mode)) [] | 2–6 | 1/70.2 |
| Zamorakian ritual keeper (Level 115 (Story mode)) [] | 1 | 1,300/10,000 |
| Zamorakian sniper [] | 1 | 1/134.4 |
| Zoja [] | 1 | 1/1,365.3 |
| Zombie [] | 1 | 1/27.3 |
| Zombie [] | 1 | 1/22.8 |
| Zombie [] | 1 | 1/170.7 |
| Zombie (Lair of Tarn Razorlor) (Levels 72–75) [] | 1 | 1/227.6 |
| Zombie (Lair of Tarn Razorlor) (Levels 77–79) [] | 1 | 1/341.3 |
| Zombie (Lair of Tarn Razorlor) (Levels 82–85) [] | 1 | 1/341.3 |
| Zombie (Stronghold of Security) [] | 1 | 1/133.3 |
| Zombie (Wilderness) [] | 1 | 1/22.8 |
| Zombie pirate [] | 1 | 1/22.8 |
| Zombie pirate (Harmony Island) [] | 1 | 1/22.8 |
| Zombie swab [] | 1 | 1/22.8 |