Quote Originally Posted by Kabooa View Post
Because Swiftcast doesn't consume other Instant effects for Black Mage, so it's an inconsistent cooldown. Given that it's not traited, all instant spellcasts should be treated the same when interacting with Swiftcast (Which is to say, it shouldn't.)
If you swiftcast then Scathe, it will consume it. Fire III has its own proc that is consumed instead of Swiftcast. Abilities are not spells. They aren't what swiftcast is looking for.