 Ghast | 1 | 1/2,048 |
 Giant Mole | 1 | 1/316.38 |
 Giant Rock Crab (2) | 1 | 1/2,048 |
 Giant rockslug | 1 | 1/341.33, 3 rolls |
 Giant Sea Snake | 1 | 1/2,048 |
 Giant skeleton (1) | 1 | 1/1,024 |
 Giant skeleton | 1 | 1/1,024 |
 Glod | 1 | Always |
 Gnormadium Avlafrim | 2–4 | 10/128 |
| Gold rocks | 1 | 8/32,768 |
 Golem | 1 | 2/23 |
| Gorak (Full) | 1 | 1/409.6 |
| Gorak (Gems) | 1 | 1/16 |
 Great white shark | 1 | 1/1,600 |
 Greater abyssal demon | 1 | 1/385.51, 3 rolls |
| Greater demon (Regular) | 1 | 1/409.6 |
| Greater demon (Wilderness Slayer Cave) | 1 | 1/131.2 |
 Greater Nechryael (Regular) | 1 | 1/682.67 |
| Greater Nechryael (Wilderness Slayer Cave) | 1 | 1/597.33 |
| Green dragon (Regular) | 1 | 1/409.6 |
| Green dragon (Wilderness Slayer Cave) | 1 | 1/409.6 |
 Grimy Lizard | 1 | 1/512, 2 rolls |
 Gryphon | 1 | 1/2,048 |
 Guard (1) | 1 | 1/409.6 |
 Guardian Drake | 1 | 1/1,488, 3 rolls |
 Gunthor the brave | 1 | 1/2,048 |
 Hammerhead shark | 1 | 1/1,600 |
 Harpie Bug Swarm | 1 | 1/682.67 |
 Hazelmere (Old) | 2–4 | 10/128 |
 Hermit crab (Active) | 1 | 1/2,048 |
 Hill Giant | 1 | 1/682.67 |
| Hobgoblin (Armed) | 1 | 1/1,024 |
| Hobgoblin (Unarmed) | 1 | 1/1,024 |
 Hydra | 1 | 1/2,048 |
| Ice giant (Regular) | 1 | 1/512 |
| Ice giant (Wilderness Slayer Cave) | 1 | 1/248 |
 Ice troll (Level 120) | 1 | 1/256 |
 Ice troll female (Variant 1) | 1 | 1/2,048 |
 Ice troll grunt | 1 | 1/2,048 |
 Ice troll male (Variant 1) | 1 | 1/2,048 |
| Ice troll male (Variant 2) | 1 | 1/409.6 |
 Ice troll runt (Variant 1) | 1 | 1/2,048 |
| Ice troll runt (Variant 2) | 1 | 1/409.6 |
 Ice warrior (Normal) | 1 | 1/682.67 |
 Icefiend (Level 13) | 1 | 1/682.67 |
 Imre | 1 | 1/8,192 |
 Infernal pyrelord | 1 | 1/682.67, 3 rolls |
| Infernal shale deposit | 1 | 8/32,768 |