Speed of the Zephyr, Greater

Level: 3
Duration: 3 rounds
Saving Throw: None
Normal: Your ally’s movements are quicker, enhancing his offensive and defensive capabilities.
This utterance duplicates the effect of a haste spell for one target, who is limned with an amber light. 
Reverse: When you speak this utterance, your target moves as though through molasses. 
This utterance duplicates the effect of a slow spell for one target.