| Ice troll runt (Variant 2) [] | 1 | 1/337,230.47 |
| Ice warrior [] | 1 | 1/1,686,152.36 |
| Icefiend [] | 1 | 1/421,538.09 |
| Icefiend [] | 1 | 1/562,050.79 |
| Imperial mage akh [] | 1 | 1/15,437.19 |
| Imperial ranger akh [] | 1 | 1/15,437.19 |
| Imperial warrior akh [] | 1 | 1/15,437.19 |
| Imre [] | 1 | 1/6,744,609.45 |
| Infernal Mage [] | 1 | 1/105,384.52, 3 rolls |
| Iorwerth guard [] | 1 | 1/25,728.64 |
| Iorwerth scout [] | 1 | 1/25,728.64 |
| Irina [] | 1 | 1/6,744,609.45 |
| Iron dragon [] | 1 | 1/23,904.85 |
| Ivory Bre'egth (cursed) [] | 1 | 1/1,512 |
| Ivory Gromblod (cursed) [] | 1 | 1/1,512 |
| Ivory Shredflesh (cursed) [] | 1 | 1/1,512 |
| Jade the Unruly (Normal mode) [] | 1 | 1/15,437.19 |
| Jelly [] | 1 | 1/843,076.18 |
| Jennella [] | 1 | 1/6,744,609.45 |
| Jeroen [] | 1 | 1/6,744,609.45 |
| Jogre [] | 1 | 1/1,699,325.43 |
| Jogre [] | 1 | 1/1,699,325.43 |
| Joseph [] | 1 | 1/6,744,609.45 |
| Jungle strykewyrm [] | 1 | 1/332,619.9 |
 K'ril Tsutsaroth (Senntisten)[] | 1 | 1/6,535.47 |
| Kal'gerion demon [] | 1 | 1/10,291.46 |
| Kal'gerion demon (The Shadow Reef) (Normal mode) [] | 1 | 1/15,437.19 |
| Kalphite Guardian [] | 1 | 1/337,230.47, 2 rolls |
| Kalphite Guardian [] | 1 | 1/25,728.64 |
| Kalphite King [] | 1 | 1/5,145.73, 3 rolls |
| Kalphite Queen [] | 1 | 1/153,286.58, 4 rolls |
| Kalphite Soldier [] | 1 | 1/421,538.09 |
| Kalphite Worker [] | 1 | 1/843,076.18 |
| Killerwatt [] | 1 | 1/843,076.18 |
| King Black Dragon (Members) [] | 1 | 1/22,251.8 |
 Kingly impling[] | 2 | 1/28 |
| Kingly impling jar [] | 2 | 1/28 |
| Knight of Ardougne [] | 1 | 1/337,230.47 |
| Kraka [] | 1 | 1/337,230.47 |
| Kree'arra (Hard mode) [] | 1 | 1/10,291.46 |
| Kree'arra (Normal) [] | 1 | 1/10,167.34 |
| Ksenia [] | 1 | 1/6,744,609.45 |
| Laboratory slime (Big (Normal mode)) [] | 1 | 1/15,437.19 |
| Lady Himiko (Normal mode) [] | 1 | 1/15,437.19 |
| Lampenflora [] | 1 | 1/10,291.46 |
| Lanzig [] | 1 | 1/6,744,609.45 |
| Lava spider (Normal mode) [] | 1 | 1/15,437.19 |
| Lava strykewyrm [] | 1 | 1/10,291.46 |