BLM and swiftcast

[Mhaeric]

The GCD is faster than Fire 3 casting time if you're not in Umbral Ice 3. So yes, it's useful to include Swiftcast-->Fire III at the opening of your damage rotation.

Swiftcast does has more utility with AoE, so if you expect to AoE during a fight, save it for that. Even then, however, its only really useful in conjunction with Flare-->Convert, so you have potentially 4 Swiftcasts to make use of before your next Convert is up. Might as well use them on Fire III's.