Originally Posted by
Hyrist
A Black Mage needs a full 2 GCDs to cast two spells. This means, if a target runs out of range or line of sight in one GCD, they miss that second attack. It is much less likely for a Red Mage to do so - because of the mechanics of Dualcast. So yes, it's two global cooldowns, but only one of which is required to be frontloaded by the Red Mage, who can spend the other dipping in cover or following up with an off global cooldown skill (such as a heal, bolt, shifting targets with monomachy etc