Mud rune: where to get it
| Source | Quantity | Chance per roll |
|---|---|---|
 Araxxor (In combat) | 100 | 1/115 |
 Blood Reaver (Ancient Prison) | 15 | 7/128 |
 Crazy archaeologist | 30 | 4/128 |
 Dagannoth Prime | 25–75 | 2/128 |
 Deranged archaeologist | 40 | 6/131 |
 Essence impling | 4 | 1/100 |
| Essence impling jar | 4 | 1/100 |
 Molanisk | 1–15 | 2/128 |
 Mutated Tortoise | 30–50 | 5/64, 3 rolls |
 Spiritual mage (Zamorak) | 20 | 7/128 |
 Spiritual Mage (Zaros) | 40–70 | 7/128 |
 Spiritual Warrior (Zaros) | 15 | 7/128 |
 Undead Druid | 30–70 | 3/100 |
 Warped Tortoise | 30–50 | 5/64 |
 Waterfiend (Normal) | 75–100 | 2/128 |
| Zombie (Tarn's Lair) (Low level) | 3 | 5/128 |