Used to make artifacts, arcane formula recipes will tell you what reagents are needed to make them. All are found in the Titan Quest Immortal Throne expansion game.
Part Two of the series on legendary axes you can find in the online pc games, Titan Quest and Titan Quest Immortal Throne, as well as their stat buffs and bonuses to the player that weilds them.
The last part of the series takes a look at the rest of the legendary axes in Titan Quest and Titan Quest Immortal Throne as well as what they can do for you!