[Ulzgoroth]

Originally Posted by Varyon

It fails with attacks that barely penetrate extremely high DR. As such attacks would still cause pretty severe wounds using difference of squares, and as such errors have a fairly small (relative to the full damage) range where they occur, I'm alright with overestimating them if it means only having to do simple arithmetic at the table.

I think 51 damage hitting DR 50 and doing 35 damage instead of 10 is seriously ungood, personally.