Earth rune

Ironman verdict

At least 9 monsters drop it. The easiest is Giant spider (level 2, 3/128); the best rate is Earth wizard (level 22), at 19/20, about 7.1 per kill. You can also make it yourself: it takes 9 Runecrafting and gives 6.5 Runecrafting XP, using Rune essence. There are 2 other recipes below. Other sources include Earth impling, Earth impling jar, Ourania Runecrafting Altar and Gnome child, plus 4 more listed below. Making ten takes 10 × Rune essence and gives 65 Runecrafting XP. Reaching level 9 Runecrafting takes 969 XP in total; the Runecrafting calculator counts the actions and materials to any target, and the Runecrafting guide has the Ironman training route. 121 recipes use Earth rune, including Abyssalbane arrow, Abyssalbane bolts and Alteration necklace. Earth rune is available on free-to-play worlds too. It is tradeable on normal accounts, but an Ironman cannot use the Grand Exchange or trade for it, so the sources on this page are the whole list. High Alchemy turns one into 3 coins, which is 14 less than the shop price, so buying it to alch does not pay.