Adding flanking isn't just a matter of line settings; it's a major change to the combat code. It's something we've been considering for years, and still are. We may be able to implement something of this nature when we tackle a rewrite of the combat script, but that's beyond the current dev roadmap.
And here I thought I had an original idea
Silver lining: Glad y'all are already talking about it! I do hope we can circle back to this after the current dev cycle!
