Originally Posted by
Semirhage
That's part of the equation, but I think efficiency also deserves a mention. Another major reason why WHM's higher potential HPS is not a real advantage is the lopsided concentration of kit efficiency. To simplify a bit, off-GCD abilities are "better" than GCDs. They're instant, free (or marginally priced), and allow the user to continue uninterrupted. Healing-wise, the more powerful part of SCH's kit is the "good" half, and the more powerful part of WHM's kit is the "bad" half, i.e. the less efficient heals you want to rely on last.