Created by one of the Ancient El-Hazard civilizations as an ultimate weapon in a war of power, Ifurita's power is potentially without limits. In creating Ifurita, they imprisoned her in two ways for(I feel) their own safety. First, in order to maintain her power levels, she must be wound by her power key staff. And secondly, due to a control circuit placed within her, she has to obey the commands of her master, no matter what.
With the power to destroy cities readily within her grasp, her masters sent her to annihilate their enemies, and annihilate them she did. The devastation she caused was so great, even Queen Diva was extremely unwilling to tell Jinnai about her. Eventually, she was sealed away on a remote isle whose location was known only by the High Priestesses of Mt. Muldoon.