The OP made a sincere apology, and hasn't been playing DDO very long. I think bygones should be bygones. The OP seems to have figured out later times to get out of the Shroud Part V safely before quest completion, so it was a learning experience. Blacklisting in this case is mean-spirited.
Blacklisting is pretty rare I think; I'd save it for players who actually do know better but still intentionally ruin things for others.
It's important for groups to communicate better with newer players who express concerns, so that this kind of thing doesn't happen.
Sharz