All bones that you collect should be forfeited on OSRS gold the Chaos Altar, however it is a dangerous method, and thus don't take anything apart from the bones you would like to sacrifice. This place is one of the very Player Active zones on Runescape, and it's found on 38 level of Wilderness. It means that gamers from much higher levels can attack you. It would be a good idea to keep them in the bank and perform the Altar running after you have sufficient of the bones saved, but it is up to you if you want to risk the gear.
Another choice of instruction is through the Slayer. During your Slayer activities, you are able to amass several Ensouled Monster Heads, which can be reanimated in the Dark Altar. Killing reanimated monsters provides large chunks of Prayer expertise, but it is a less consistent way than regular bones farming, and that means that you can't rely on getting enough Ensouled Heads to get from level 1 to 99.
Runecrafting calls for a tremendous amount of Pure Essence for leveling functions, which is gained through the mining and monster drops. The first method is simple, but not powerful, as you'd have spent way too much time mining rocks that barely offer any Mining experience. It is the reason you want to focus on murdering Monster, which not only drops Essence in large quantities but also other valuable items that you might benefit from. The best ones will be Gargoyles and Skeletal Wyverns on Slayer tasks. Higher-level players can additionally farm Zulrah boss for endgame drops and large amounts of Pure Essence.
These aren't the only methods to receive some Runes because you may also use some other ones to your advantage. Temple Trekking minigame supplies a significant amount of Essences with just a little effort, and buy RS gold during completing Ardougne Diary, you might receive some daily runes from Wizard Cromperty.