| Infernal Mage [] | 1 | 1/32,768, 3 rolls |
| Iorwerth guard [] | 1 | 1/8,000 |
| Iorwerth scout [] | 1 | 1/8,000 |
| Irina [] | 1 | 1/2,097,152 |
| Iron dragon [] | 1 | 1/7,432.91 |
| Jade the Unruly (Normal mode) [] | 1 | 1/4,800 |
| Jelly [] | 1 | 1/262,144 |
| Jennella [] | 1 | 1/2,097,152 |
| Jeroen [] | 1 | 1/2,097,152 |
| Jogre [] | 1 | 1/528,384 |
| Jogre [] | 1 | 1/528,384 |
| Joseph [] | 1 | 1/2,097,152 |
| Jungle strykewyrm [] | 1 | 1/103,424 |
 K'ril Tsutsaroth (Senntisten)[] | 1 | 1/2,032.12 |
| Kal'gerion demon [] | 1 | 1/3,200 |
| Kal'gerion demon (The Shadow Reef) (Normal mode) [] | 1 | 1/4,800 |
| Kalphite Guardian [] | 1 | 1/104,857.6, 2 rolls |
| Kalphite Guardian [] | 1 | 1/8,000 |
| Kalphite King [] | 1 | 1/1,600, 3 rolls |
| Kalphite Queen [] | 1 | 1/47,662.55, 4 rolls |
| Kalphite Soldier [] | 1 | 1/131,072 |
| Kalphite Worker [] | 1 | 1/262,144 |
| Killerwatt [] | 1 | 1/262,144 |
| King Black Dragon (Members) [] | 1 | 1/6,918.92 |
| Knight of Ardougne [] | 1 | 1/104,857.6 |
| Kraka [] | 1 | 1/104,857.6 |
| Kree'arra (Hard mode) [] | 1 | 1/3,200 |
| Kree'arra (Normal) [] | 1 | 1/3,161.41 |
| Ksenia [] | 1 | 1/2,097,152 |
| Laboratory slime (Big (Normal mode)) [] | 1 | 1/4,800 |
| Lady Himiko (Normal mode) [] | 1 | 1/4,800 |
| Lampenflora [] | 1 | 1/3,200 |
| Lanzig [] | 1 | 1/2,097,152 |
| Lava spider (Normal mode) [] | 1 | 1/4,800 |
| Lava strykewyrm [] | 1 | 1/3,200 |
| Lava strykewyrm (Dragonkin Laboratory) (Normal mode) [] | 1 | 1/4,800 |
| Lensa [] | 1 | 1/2,097,152 |
| Lesser demon [] | 1 | 1/43,690.67 |
| Lesser demon [] | 1 | 1/43,690.67 |
| Lesser demon [] | 1 | 1/43,690.67 |
| Lesser reborn mage [] | 1 | 1/58,514.29 |
| Lesser reborn ranger [] | 1 | 1/58,514.29 |
| Lesser reborn warrior [] | 1 | 1/58,514.29 |
| Lev [] | 1 | 1/2,097,152 |
| Liliya [] | 1 | 1/2,097,152 |
| Liverworts [] | 1 | 1/3,200 |
| Lizard [] | 1 | 1/104,857.6 |
| Locust lancer [] | 1 | 1/37,449.14, 2 rolls |