Cosmic rune
| Type | Supplies |
| Value | 50 coins |
| Grand Exchange | Buy offer 52 · sell offer 48 |
| Stacks | Yes |
How to get it
| Dropped by Dark wizard | 2 · 1/128 |
| Dropped by Giant rat matriarch | 3-6 · 1/22 x3 rolls |
| Dropped by Goblin champion | 4-8 · 1/24 x3 rolls |
| Dropped by Goblin warlord | 6-12 · 1/24 x4 rolls |
| Dropped by Dark wizard elder, Melzar the Mad | 4-8 · 1/18 x3 rolls |
| Dropped by Count Draynor | 6-12 · 1/18 x4 rolls |
| Dropped by Pirate captain | 6-12 · 1/20 x4 rolls |
| Dropped by Lumbridge chest | 5-10 · 1/50 |
| Dropped by Draynor chest | 6-12 · 1/45 |
| Dropped by Port Sarim chest | 6-12 · 1/47 |
| Sold by Murky Matt | Grand Exchange |
Used to make
| Makes | Needs | Where | Level |
|---|---|---|---|
1 x  Ring of recoil | 1 x  Sapphire ring1 x Cosmic rune1 x  Water rune | Lectern | Magic 7 |
1 x  Amulet of magic | 1 x  Sapphire amulet1 x Cosmic rune1 x Water rune | Lectern | Magic 7 |
1 x  Amulet of defence | 1 x  Emerald amulet1 x Cosmic rune3 x  Air rune | Lectern | Magic 27 |
1 x  Amulet of strength | 1 x  Ruby amulet1 x Cosmic rune5 x  Fire rune | Lectern | Magic 49 |
1 x  Amulet of power | 1 x  Diamond amulet1 x Cosmic rune10 x  Earth rune | Lectern | Magic 57 |