Infused War Magic
From Drunkapedia
"87.4N 70.5W in Silyun" Raphel Detante tells you, "This gem will allow you to cast War Magic spells without the use of a Focus." Raphel Detante tells you, "But make sure you read the gem's inscription before you use it." Raphel Detante tells you, "I've trained with the greaters masters of offensive magics. I'll be able to instruct you in how to use War Magic without a Focus if you desire." Raphel Detante tells you, "You may speak to the Fiun who calls itself Rehlyun in order to find out how to get a blank augmentation gem."
2 Billion XP
Found by Valhalla of Morningthaw