 Brassican Mage | 1 | 1/426.7 |
 Breoca | 1 | 1/237.4 |
 Brutal green dragon | 1 | 1/364.1 |
| Bryophyta (Members) | 1 | 1/1,092.3 |
 Butterfly ray | 1–2 | 1/163 |
| Butterfly ray | 1–2 | 1/99.3 |
 Callisto | 45 | 1/126 |
 Catablepon (Level 49) | 1 | 1/1,436.4 |
 Cave abomination | 1 | 1/420.1, 3 rolls |
 Cave bug (Level 6) | 1 | 1/237.4 |
 Cave bug (Level 96) | 1 | 1/287.4 |
| Cave crawler | 1 | 1/248.2 |
 Cave horror (Worker) | 1 | 1/420.1 |
 Cave kraken (Cave kraken) | 1 | 1/1,422.2 |
 Ceolburg | 1 | 1/237.4 |
 Chaos druid | 1–2 | 1/118.7 |
 Chaos druid warrior | 1–2 | 1/124.1 |
 Chasm Crawler (Standard) | 1 | 1/248.2, 3 rolls |
| Chest (alchemist's signet) | 2 | 1/4 |
| Chest (Bryophyta's lair) (Members) | 1 | 1/1,006.9 |
 Choke devil | 1 | 1/682.7, 3 rolls |
 Cockathrice | 1 | 1/546.1, 3 rolls |
 Cockatrice | 1 | 1/546.1 |
 Colossal Hydra | 1–3 | 1/1,365.3, 3 rolls |
 Crazy archaeologist | 4 | 8/128 |
 Crocodile (Water) | 1 | 1/853.3 |
 Cuffs | 1 | 1/237.4 |
 Cyclops | 1 | 1/780.2 |
 Cyclops (Level 56) | 1 | 1/1,422.2 |
 Cyclops (Green) | 1 | 1/1,422.2 |
| Cyclops (Warriors' Guild Basement) | 1 | 1/1,066.7 |
| Cyclops (Warriors' Guild Rooftop) | 1 | 1/1,422.2 |
 Dagannoth (Level 88) | 1 | 1/682.7 |
 Dagannoth (Level 90) | 1 | 1/1,365.3 |
 Dark beast | 1 | 1/287.4 |
| Dark beast | 1 | 1/1,092.3, 2 rolls |
| Dark Chest | 10–15 | 25/600 |
| Dark warrior (Great Kourend) | 1 | 1/1,820.4 |
 Dark warrior (Level 145) | 1 | 1/1,820.4 |
| Dark warrior (Level 8) | 1 | 1/1,820.4 |
 Demonic gorilla (1) | 7–13 | 1/111.1 |
 Deranged archaeologist | 4 | 8/131 |
 Desert Lizard (Green) | 1 | 1/546.1 |
 Deviant spectre | 1–3 | 1/118.7 |
 Dire gryphon | 1 | 1/496.5, 3 rolls |
 Donny the lad | 1 | 1/364.1 |
 Drake | 1 | 1/396.8 |
| Drake | 1–3 | 1/124 |