Quote Originally Posted by Cynric View Post

Also Mercy Stroke might be the hardest hitting ability but it only exists at 20%- health, so I don't count that into the equation since by the time you can use mercy stroke in a burst situation most likely what you're hitting is dead anyway. It's good in certain situations to add on damage since its off the GCD, It'll make you win a fight slightly quicker, but it's not something you can just use whenever its off CD.
I find it helps to macro mercy stroke with the first hit of your combo's, works quite well