"There is a legend of a powerful demon - known only as the 'World Destroyer'. Its said that even the soul of this demon contains a great power. If you can find me this I may be able to give you something of great power..."
You hand over the soul...
After many hours...
"Take this vial, but only use it when you feel you are ready..."
You received 1 x World Destroyer Vial and gain 3 Advanced Skill Points.