The phrase "dramatic power" is correct and usable in written English.
You could use it in a sentence such as, "The actor's dramatic power brought the scene to life."
The acts themselves have dramatic power.
They carry emotional and dramatic power.
What makes "Ain't" distinctive, though, also compromises its dramatic power.
Noh drama has long fascinated Westerners by its poetic excellence and its dramatic power.
And yet the formidable dramatic power of this Shakespeare tragedy never emerges very strongly.
Yet there is a dramatic power to the piece as a whole.
This is a creative company that dances with an overflow of muscular and dramatic power.
But perhaps more persuasive is the simple dramatic power of stories of gross miscarriages of justice.
The niceties of precision in classical dancing were less important than dramatic power projected through technique.
As well as dramatic power, it is those qualities that Treme lacked.
The movie's dramatic power is inseparable from its quiet, sensuous splendor.
