The grand mastery problem can easily be fixed by downloading the file off the Ironworks site. And the regeneration effects are cumulative. You can use the druid spell "Regeneration" too
As for your other question: I'm sure someone can...
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The last arrow of Legolas kindled in the air as it flew,
and plunged burning into the heart of a great wolf-chieftain.
All the others fled. -J.R.R. Tolkien, The Lord of the Rings
[This message has been edited by Legolas the Elven Archer (edited 06-18-2001).]