 Iron dragon (Standard) | 1 | 1/7,869.24 |
| Jelly | 1 | 1/65,536 |
| Jelly (Wilderness Slayer Cave) | 1 | 1/26,214.4 |
 Jennella | 1 | 1/1,048,576 |
 Jogre (Normal) | 1 | 1/264,192 |
 Joseph | 1 | 1/1,048,576 |
 Jungle horror (Worker) | 1 | 1/264,192 |
 Juvenile custodian stalker | 1 | 1/15,488.57 |
 K'ril Tsutsaroth | 1 | 1/2,110.31 |
 Kalphite Guardian | 1 | 1/13,005.59 |
 Kalphite Queen (Crawling) | 1 | 1/17,025.85 |
 Kalphite Soldier (Kalphite Lair) | 1 | 1/65,536 |
 Kalphite Worker | 1 | 1/131,072 |
 Killerwatt (Idle) | 1 | 1/57,344 |
 King Black Dragon | 1 | 1/2,126.93 |
 King kurask | 1 | 1/42,325.33, 3 rolls |
 King Sand Crab (Active) | 1 | 1/262,144 |
 Kraka | 1 | 1/52,428.8 |
 Kraken (Kraken) | 1 | 1/131,072 |
 Kree'arra | 1 | 1/2,110.31 |
 Ksenia | 1 | 1/1,048,576 |
 Kurask (Normal) | 1 | 1/42,325.33 |
 Lanzig | 1 | 1/1,048,576 |
 Lava dragon | 1 | 1/5,194.18 |
 Lensa | 1 | 1/1,048,576 |
| Lesser demon (Regular) | 1 | 1/65,536 |
| Lesser demon (Wilderness Slayer Cave) | 1 | 1/15,974.4 |
 Lev | 1 | 1/1,048,576 |
 Liliya | 1 | 1/1,048,576 |
 Lizard | 1 | 1/43,690.67 |
 Lizardman shaman (Standard) | 1 | 1/3,378.14 |
 Lobstrosity | 1 | 1/80,554.67 |
 Locust rider (Ranger) | 1 | 1/8,692.86 |
 Mad Angel (Post-quest) | 1 | 1/10,134.43 |
 Mammoth (Normal) | 1 | 1/7,869.24 |
 Marble gargoyle | 1 | 1/52,428.8, 3 rolls |
 Market Guard | 1 | 1/262,144 |
 Mature custodian stalker | 1 | 1/10,357.98 |
 Milla | 1 | 1/1,048,576 |
 Minotaur (Level 12) | 1 | 1/206,848 |
 Mithril dragon | 1 | 2/128 |
| Mithril dragon | 1 | 1/13,684.52 |
 Molanisk | 1 | 1/37,449.14 |
 Monstrous basilisk | 1 | 1/52,428.8, 3 rolls |
 Moonlight Cockatrice | 1 | 1/131,072 |
 Moss Giant | 1 | 1/65,536 |
| Moss giant (Regular) | 1 | 1/65,536 |
 Mountain troll (Level 69) | 1 | 1/52,428.8 |