A gamer needs Jagged fossil POE currency item to alter the crafting manner in a special way. As other fossils, this one is socketed into Resonator to provide its influence and add mods. The fossil boosts the weights of mods with bleed and physical tags by 10 times and chaos and poison ones by 0. A player can either obtain it from Petrified Forest or buy from Niko the Mad or trade with other gamers of Path of Exile. One of the cheapest and fastest ways to get Jagged fossil is to purchase one here.