Firestorm potion

The Berserker potion 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 91. It will have the effect of boosting a player's Attack, Strength and Defence levels by 15% +3.

In order to make this potion, players will have to find the recipe while Dungeonering, and then unlock it from the Meilyr herblore shop, for first. It will be made by using an extreme strength (4) on an extreme attack (4) with an extreme defence (4) and a crystal flask in the player's inventory.