Battle-Mage Dathric is one of the four spirits that you can put to rest in Kirin'Var Village. He was once a male human mage. He died when the village was destroyed by Kael'Thas forces. He can be found in the town hall. The item require to put him to rest is his sword infused with magic powers that he used to carry with him all the time. Here's the text describing the sword: Putting his soul to rest will make the spirit neutral towards you.