buy them from ge you dooush
You can craft air runes just south of the Grand Exchange in Varrock
There is no special soul altar. From runescape.wikia.com: "The Ourania rune altar allows runecrafters to craft a random selection of runes, including the soul rune." So, if you go to the Ourania altar, you will craft random runes, including soul runes now and then.
You craft them into runes.
earth or fire cause they are very close to banks
lumby swamp
crafting runes at alters. Use runes ess at certain alter to craft those runes. Eg water alter you crft water runes.
The Runes of the Earth was created on 2004-10-21.
At the air altar in Varrock.
"The Runes of the Earth" by Stephen R. Donaldson has approximately 640 pages in the paperback edition.
The bestest and fastest way is to Craft Nature Runes.
The best way to get 24M is to craft nature runes.
Get rune essence and craft them at the air altar.