*Praxina is the older fraternal twin sister of Mephisto and originally a minion for their master, Gramorr. They would often obey their master's bidding and battle against the princesses. Following the defeat of Gramorr and Mephisto's presumed death, Praxina became the sole antagonist and swore her revenge against Iris by attacking her adoptive home world, Earth.

Praxina has straight, mid-long hair the color between burgundy and purple. She has a fringe, hiding one eye, and a hairband on the other side in the shape of a butterfly. She has dark blue eyes and wears a black dress with red and white signs on the middle and top, grey elbow-length gloves without fingers, a white and grey cape, and black high heels. Her nails are black and her cape has holes at the shoulders, a black butterfly bowtie and she has black tights and grey and red thigh-high socks.

In the episode, Forget You! Praxina loses her memory in a fight with Iris, Talia, and Auriana by her own spell. The trio dresses her in a white t-shirt with a black butterfly design and a bow on her left shoulder, ripped jean shorts, magenta tights, and black heels. Her hair is tied in a loose ponytail over her shoulder with a gold hairband. She has an orange and purple checkered friendship bracelet on her left hand and a big pink bracelet between 2 smaller gold ones on her right.

At the end of Season 2, Praxina has a long-sleeved short shirt with red and black patterns similar to Banes' body, white shoulder pads the same as Gramorr's, a black and purple cape, and half of his mask over where her hair covers her face. She also has black tights with gold and red lining and spiked black heels. She wears a gold collar.

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Praxina is a very affirmed person determined to obtain the Oracle Gems and to destroy the five Ephedian Princesses. She loves to belittle people, especially her enemies and her twin brother, Mephisto, the latter of whom she reminds that she was born before. She is extremely cold and ruthless and hates the princesses at heart and wishes to destroy all of them. Her attacks tend to be demonstrations of raw power with explosions and large summoned monsters. She also is very bossy and has a soft side for Mephisto. She also seems to be an animal lover and enjoys baby-talking her creations.*