The spell [Drifting Wind] instead of boosting the user's speed is more appropriate to say that they were being pushed in the direction that they want. As such, that user could only move in a straight line
As for the [Blessing of the Wind], although the user's speed wouldn't be as fast as when they use [Drifting Wind], they still have more versatility and they could move in any direction they want
Casting the [Drifting Wind] spell on another person to instantly caught up to Rezen while using the [Blessing of the Wind] to catch up to Rezen while he was tied up fighting against another mage is definitely a splendid move
This tactic definitely would work on most enemies but unfortunately, Rezen is not included in that category
Rezen stretched his hands out as he created two magic circles at once
"[Metal Bullets!]"
"[Metal Bullets!]"