Rani is a strong-willed and kind-hearted lioness who takes her duty as a leader seriously, prioritizing the safety of the animals in the Tree of Life. However, she can be quite short-tempered and moody, assuming things before thinking it through and sometimes let her emotions got the better of her, a lesson which she later learned.

Beneath Rani's strong attitude, she actually hides her insecurity at the prospect of becoming the next queen, feeling that she's not ready or good enough yet to rule. With Kion and Makini's help, Rani eventually able to overcome her inner doubts and embraces her role as queen. After becoming the queen, Rani grows calmer and wiser in taking action and decisions, earning her deeper respect from her subjects.