*Celina has indigo hair tied into a ponytail with a large yellow ribbon, and green eyes. Her face is the same as Zuzu's. Her hair also features two light blue bangs that fall to either side of her face, similar to Zuzu. The colors themselves appear to be in reference to "Polymerization".

As she has been trained largely in Duel Monsters and confined in Duel Academy castle since her childhood, Celina is serious-minded, but has no social skills as a result, not seeing what was wrong with changing her clothes in front of Moon Shadow and not understanding that not everyone is a Duelist. When first introduced, she is constantly trying to prove herself worthy to Leo Akaba and wants to fight Duel Academy's enemies, and even members of Duel Academy when necessary. Celina is strong-willed and determined to prove her strength to the point that she is willing to put herself in danger to do so. Ironically, while desiring respect, she is very rude when addressing other people as she believes herself to be superior to them. After hearing about Xyz Dimension rebels in the Standard Dimension, Celina heads to capture them. However, unknowing of that dimension having its own Xyz users, she started a bigoted hunt for anyone who used them. This lead to her attacking Dipper O'rion, similar to how Shay would randomly attack any LID students and teachers prior to cooperating with Declan Akaba, simply to prove her self-worth with little regard in how her actions affect others.

Because of her obsession with demonstrating her skills, she takes her Duels seriously and seeks to fight the strongest Duelists she can find and is frustrated and disappointed when she defeats "worthless opponents". She is also proud and short-tempered as seen when Dennis Set a monster and a Spell/Trap Card, taking it as a provocation to her skills, all the while ignoring his reasons (namely a bad draw) as excuses. During her Duel with Yugo, she stated she believes only a well-honed strategy works, which Yugo called 'too by the book'. Even after her induction into the Lancers this desire persisted, partially due to their mission being to find strong allies. Celina's attitude regarding her Dueling changes during her Duel with Yugo; previously she had never found Dueling to be fun, but she enjoyed her Duel with Yugo and she even happily used one of Yuya's entertainment catchphrases.

Although she is proud to serve Duel Academy and initially believed that what they are doing is right, she was shocked to learn the truth from Shay about how immoral Duel Academy was when they invaded the Xyz Dimension, attacking defenseless citizens and laughing in joy at their suffering, treating it all as a simple game. Like most students of Duel Academy, Celina is prideful and arrogant, refusing to back down from any challenges she came across. She refused to run away from the Synchro Dimension's Sector Security, though they outnumbered the Lancers.

Celina's pride is also her downfall, which leads to her being impatient and reckless. She left the Fusion Dimension with Barrett in order to prove herself to Leo. In the Synchro Dimension, Celina ignored Yuya's warnings about Sector Security twice, once when they arrived and were cornered by Sector Security officers, and again when she left Crow's hideout to recruit more Lancers and search for Zuzu. In both cases, these led to dire consequences for her, which were being hunted down by the Obelisk Force and getting arrested, respectively. However, Celina is willing to accept responsibility for her actions, seen when she expressed remorse about Zuzu's disappearance. Ironically, she tends to Duel strategically and consistently, rather than recklessly using different strategies. She also appears to have honor in her Dueling, refusing to pick up an Action Card upon suspecting it was a clear set-up.

She uses the Lunalight deck.*