The most difficult powers to use?

Originally posted by StiltmanFTW
Hammer was sentient.

It did all the work for him.

Cry and die, thorbag.

Whatever. Let me have my fun

Originally posted by ShadowFyre
Trying to spin mjolnir and go in the right direction would be fairly difficult. I imagine I would eat dirt at lightspeed quite a few times.

Let's hope you don't start at lightspeed lol.

But yeah, the hammer would be complex.

Weather manipulation in general would be pretty hard. Depending on where you live, you'll probably destroy that years agriculture, flood a town, electrocute some undeserving people, and kill Kenny:

All of them, realistically.