The Grand magic is a combination potion that will be released in the second part of Prifddinas. It will be creatable using the Herblore skill, with a level of 77. It will have the effect of boosting a player's Magic level by 14% +2.
In order to make this potion, players will have to buy the recipe from the Meilyr herblore shop, for 100,000 first. It will be made by using a super magic potion (4) on a magic potion (4) with a crystal flask in the player's inventory.