Ya with my luc pagan I didn't need more than 400 luc which is a 80% crit rate that is pretty damned good but then I wouldn't go all luc if you do your gunna suck at killing things I would put some Str in there or Int in my case
much more effective now to solve the probablem of missing a lot...I dunno unless you can afford a load of shrewed lapis (dex) your going to miss a lot believe me it is a lot but a little bonus you also can't get hit very well whootness...