Also yes. If you get your character close enough to the lyrium, it'll be destroyed via stonefist/fireball/exploding arrow, whatever.
I don't think you can break walls, however. I haven't managed to break those with abilities yet.
Super sweet, and here comes my all-mage party! I DON'T NEED YOU ANYMORE, ROGUES AND TANKS, KTHXBYE!
Since I live in America and am American I feel confidant calling them football and soccer as traditionally they are referred to in the US, regardless of what people in other countries call them. When I'm in other countries, I will attempt to use the correct names as used in that country. But not today.
Aww, I was merely teasing!
Oh, and here's the real stuff :

Soccer is pretty much like the WWE. The more you fake, the funnier it is. Gotta admit, it's an art.