Potion of Storm Giant Strength

Potions of Storm Giant Strength raise the strength of the consumer to 24. This is the most potent potion in raising strength and like all giant strength potions, it can only be used by warriors. The effects lasts for 10 turns. In the game of Baldur's Gate, it's sold at Sorcerous Sundries and other stores.

In-game description
"This potion can only be used by warriors. When a giant strenght potion is consumed, the individual gains great strength and bonuses to hit and damage while using any hand-held or thrown weapon. The effect lasts for 10 turns."