[ooc: Okay, it's a guild library. I'll just go ahead and make it an artifact, since its effects are long-term (hundreds of years, at least, before they're really noticeable) and it won't have much effect on the story (besides altering background and providing for a quest or two). The first part of my post is overlapping the re-entry of the wizard and the bLast. I'm assuming the bLast is starting opposite the open wall and heading in that direction.]
Arthur had never thought that he'd be glad to see his brother, but any interruption in Narp's babbling was a welcome one.
Arthur "John, how nice to see y--"
He is interrupted by a massive bLast which knocks him off his feet and out the open wall. Before he goes far, he stops his flight with an opposing force to his body--which effectively breaks his fall in mid-air, but also stuns him. As he loses consciousness, his conjured support starts to fade away. As he slips from the support and blacks out, a massive wind gust suddenly catches his body and lifts it to the tower room from which he just fell.
[ooc: I've assumed everyone's next post will want to cover their own actions/reactions after the bLast, so I went ahead and resolved my part. One of you can take the wizard, as well. He may have rigged his tower with safeguards in the event of an attack there. I suppose he could just be severely injured, linger, and die, but that's just boring.

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The Unpronounceable Krsqk
"Well, sir, at the moment my left processor doesn't know what my right is doing." -
Freefall