Way up above, where clouds form and scatter, the Heaven-Splitter lies sheathed in the heaviest cloud. This divine weapon is the very essence of Stormbringer Cookie herself! Forged from the lightning that first struck Earthbread, legends tell that the Heaven-Splitter can cut anything into two. Its powers are so mystifying that it once split a huge tower and even created day and night by slashing through the skies! Then, Stormbringer Cookie gathered Life Powder and brought the Deities of Rain, Wind, and Clouds to life, thus creating the sacred cycle of Life Powder... This Cookie may sometimes laze around, munching on candied clouds, but whenever someone challenges her power, she wields her Heaven-Splitter high, ready to unleash her wrath! Be careful of what you pray to the skies, as even an inkling of arrogance will send Stormbringer Cookie to strike down with her lightning bolt!

Stormbringer Cookie is a proud, mythical figure of nature. Stormbringer Cookie acts as the ruler of the skies. Bearing the almighty Heaven Splitter, she harnesses the power of lightning to smite down those that would despoil her view from way up high. She and her three godly auxiliaries uphold Life Powder's cycle to and from the earth.

Despite being described as "benevolent being" by various myths, Stormbringer Cookie is shown to be very demanding towards others, often boasting of her authority and power as the Sky God. She takes pride in her title especially during battle, often being loud, obnoxious, and extremely self-assured in her power. She is also quite arrogant, regularly silencing Wind Deity Cookie whenever she hears a comment about her attitude, and even making up silly nicknames for others below her such as the Black and White Dragon, calling them a "snake" and a "worm". Considering even Dark Cacao Cookie's request for an audience to be a display of arrogance, her first interaction with with him was to see if he could block a direct attack from the Heaven Splitter.

Stormbringer Cookie appears to have a rather laid-back personality, often loafing around in the heavens and never feeling the weight of her responsibilities. She deems only the skies to be her area of concern, and thus tends to act only when a threat directly challenges her domain. Even then, it requires the Three Deities noticing such threats first and then informing her of them before she cares to act. Although she is aware of what Dark Enchantress Cookie Dark Enchantress Cookie has been doing on Earthbread, as well as the potentially-awakening source of Dark Cacao Cookie's power, she has no drive to take action on such knowledge as long as she doesn't feel directly challenged.

Despite this, Stormbringer Cookie spends much of her time watching and observing Earthbread, having an interest towards "land-dweller Cookies", and is ultimately capable of acting for the good of others. She is immensely proud of the three Deity Cookies, often boasting about how powerful they are, and shows great care towards them deities despite outwardly grumbling about them being bossy and demanding. When she finds the motivation, she takes great satisfaction in upholding her own personal brand of justice, smiting those who dare wrong her with all her might.