If anyone has been doing any theorycrafting about red mage, they know that the pull countdown of red mage will consist of using acceleration and hard-casting thunder/aero at 5s to hit on pull, followed by using the dualcast to immediately cast the other.

https://youtu.be/NwQE4g-2tuM?t=1m24s

However, from the linked video bookmark, you can see something else happening. The player is hardcasting a verthunder and queueing up veraero. Consequently, veraero begins to cast before the server catches up with the dualcast proc.

In addition, at 0:55 of the same video, you can see it work the opposite way. The player is hard-casting veraero and queuing up another veraero, and both cast immediately as would be expected.

This may or may not be a bug, but it's something to be aware of. My suggestion is to not queue up the spell and tap the button when you see the cast bar finish, but the timing might need a little practice.

Thoughts?