Skill Herblore to 25 to get clean Grimy Ranarr Weed It is available from Combat skill level 13 Chaos Druids (which is a great cross gold opportunity because Chaos druids can be farmed for many valuable items) and continue to do so until you reach the level 30 of Herblore skill RS Gold. This is when you gain the ability to make unfinished Ranarr potions. And then, as always, put it on Grand Exchange and hope for huge profit.

Smelting bars are connected to Mining, you don't need to mine ore yourself - the requirements for a successful smelting bar will not stop many people from doing it, so it's profitable to purchase lots of raw material from the Grand Exchange, smelt it before posting it as a refined product.

The required items and abilities are as follows - access to furnace coal for higher-level ores (and difficult to get a coal bag) and 15 30 50, 70, and 85 Smithing skills for bars shown below. Steel, Mithriland Adamantite and Runite ore will require 2, 4, 6, or 8 coal nuggets per one nugget of ore to smelt it properly. Smelting iron bars can have an opportunity to fail and ensure that you don't lose your Ring of Forging.

The tablet can be created by acquiring a mahogany demon lecterns in one's Study Unlocked Bones the spell, Mud Battlestaff two Nature Runes, as well as one known soft clay. Mud Battlestaff can be replaced by Earth or Water Runes (four of each). If you have the money Hire a Butler or Demon butler to reduce duration needed to fetch materials Buy Old School RS Gold. Other requirements are 60 level in Magic and 67 Construction skill level.