Stone of the Visindakona (Epic 1)
DISCLAIMER: Your Steps and Tasks may be different
Speak with your trainer in Jordheim.
Speak with Sigyn in the Temple of the Aesir (right across from the Mularn entrance).
Speak with the troll by the water in Aegirhamn.
Go south along the path out of Aegirhamn and kill the skeleton and use the gem.
Return to Sigyn.
Spiritist Eleve Jewel -- Spiritmaster
Initiate of Bogdar Jewel -- Bonedancer
Apprentice Conjurer Jewel -- Warlock