Quote Originally Posted by Tengu_temp View Post
For starters, I don't think if blackguards are even supposed to be used in the same setting as variant paladins. Also, there is not a word about them coming from different sources:




It is clear that those two aren't meant to stack. If those abilities stack, then a monk/ninja/swordmage applies his wisdom to AC three times.
Divine Grace is a different source than Dark Blessing. If it weren't, they'd both have the same name.

Monk and Swordsage bonuses don't stack because the Monk's bonus only works unarmoured and the Swordsages only works in light armour, meaning you can't qualify for both at the same time. I don't know about the Ninja's ability, but I suspect it probably does stack with Monk.