The figurative language in the given sentence is a hyperbole. A hyperbole is an exaggerated statement that is meant to create emphasis or effect.
In this sentence, the speaker is using hyperbole to exaggerate the power of their takeoff. By saying that they take off "hard enough to split mountains and shift rivers," they create an image of explosive energy and strength. The hyperbole draws attention to the speaker's power and intensity, which might be appropriate in a context like a sports competition or a high-stakes scenario where showing off one's skills is important.
Overall, the use of hyperbole in this sentence makes it more vivid and memorable, helping the speaker stand out and convey their ideas with impact.