User blog comment:FairyRaven/Fairy Tail Chapter 353: Exorcism, Review and Commentary/@comment-202.156.93.203-20130927123314/@comment-7418318-20130927124232

I think the grave's position (-> snowy mountains) is more telling than the fact that he's visiting a grave by itself. That could have just been there to tell why he's so determined to wipe out demons.

But the position might hint at the grave being close to Ur's house.