Quote Originally Posted by Seikusa View Post
I count the leech by most common leech value done by healers or dps and multiply it by 20.
if they are more then 1 healer with leech trinket i divide the leech value by number of people with the trinket.
Why not just use the weakaura for it, mine did 12-13m on gorefiend when normal healing I did was around 40m+

the addon is correct and makes a difference.