So far i've reached level 11, finished Aleroth and the surrounding forest.
I either use a bow, or dagger with poison on it. The play style is pretty fun so far. I sneak around and ambush monsters, and when i get too many on me, i pop back into vanish which leaves the mobs wondering around, giving me time to set up new strategies and killing them one by one.

At the same time though, i can just run into hordes of mobs and kill them with ease, using freeze on tough ones and healing myself.