Quote Originally Posted by YarnMage48 View Post
Every damage option we have is an opportunity to kill the boss faster. None of it is filler.
No, there is a distinct and consistent definition of filler that absolutely does apply to each healer's standard acontextually usable attack.

What do you use when you have nothing else to use (e.g., no eHP checks to meet, nothing sufficiently nearing the end of its duration or with enough upcoming uptime requirements to be worth reapplying early, nothing at risk of wasting cooling time)...
....to fill the space between higher value-per-uptime actions?

Filler.

Which is that on SGE? Dosis.

Which is that on AST? Malefic.
Which is that on SCH? Broil.
Which is that on WHM? Glare.

What, then, do Dosis, Malefic, Broil, and Glare amount to? A shared, wholly interchangeable "filler" action.

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Do not mistake "filler" with "zero-value". "Filler" has never meant that, and its actual meaning is obvious from the word itself. The latter is called (effectively) idling, or leaving time unfilled or wasted.