Quote Originally Posted by Lilysparkle View Post
snip
It has nothing to do with raw healing power but with perception and understanding a fight and what's going to happen. A SCH has much more tools to keep track off and preparations to make while a WHM patches up damage. As often said, SCH is pro-active healer while WHM is a reactive healer. That fact alone asks for a SCH to KNOW and read a fight well because they have to prevent damage. As soon as you have to start patching up as a SCH you will fall behind and get into trouble.

So, not using the right skills at the right time and not properly managing their fairy.