Agreed, while some instances i have run out most of the time i do not
Just plan your rotations and level lancer for invigorate. For the TP song (Army's Patheon) it like every other song is situational.
If you have an all dps group that use tp you may want to in long fights but not worth it otherwise.
The 2 adds on final boss in haukke you only need to take one down at a time so really you should be fine.
Just bring in a dragoon to help out.