Quote Originally Posted by Maeka View Post
snip
On the contrary, Lucid is kind of mandatory, both from a threat perspective, and a mana regeneration point of view. All of your aggro generation is frontloaded, and Red Mage is the only caster without any sort of fast way to say "I WANT MANA NOW".

Diversion is for similar reasons as Lucid, but that's good for DPS in general.

Swiftcast people have already covered.

It can be situationally useful, but I've come to get a LOT of mileage out of Surecast, for potential cheesing of mechanics.