Do Relic, Mythic, and Empyrean staves lack utility?

[Razushu]

500/.63 = 800 HP in Abyssea?

I'm talking about outside Abyssea, I mean what NMs are you fighting that they only do 500 in an attack to a SMN in Abyssea

I was worried you couldn't count way to point out what everyone in the thread probably eyeballed