"If you defeat Ivo, he will give you a powerful recipe. He is somewhere in the underworld"
How to Complete
Meet Ivo in the Underworld, at the tower with a blue crystal on top and defeat his trial. In one of the previous version there was a bug, due to which you couldn't find Ivo at all. If that happens make sure you update your game.
Solaris recipe upon defeating Ivo golden Tear Topaz (100 hitpoints) upon turning the quest in