Ondine

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|-|Syren=
|-|Ondine=
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==Summary==
Ondine is a swimming student in Lê Chiến Kim's swimming class.
In the episode "Syren", after Kim unintentionally ignores her in order to hang out with Chloé, she is akumatized by Hawk Moth into Syren, a mermaid supervillain.
==Powers and Stats==
Tier:  | , with Environmental Destruction
Key: Ondine | Syren
Name: Ondine (Civilian), Syren (Akumatized Villain)
Origin: Miraculous: Tales of Ladybug & Cat Noir
Gender: Female
Age: 14 (Season 2), 15 (Season 3) (She is in Kim's swimming class, and is likely the same age he is)
Classification: Human, Swimmer | Akumatized Villain, Syren
Powers and Abilities: 
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|-|Ondine=Superhuman Physical Characteristics
|-|Syren=Superhuman Physical Characteristics,Acrobatics, Underwater Breathing (Types 2 and 4. Can breathe above and underwater, and can grant underwater breath to people with air bubbles), Expert Hand-to-Hand combatant, Biological Manipulation (Can turn people she kisses into mermen/mermaids accroding to herself), Creation, Water Manipulation (Can create immense amounts of water with her tears to turn the environment into her personal domain), Air Manipulation (Can create air bubbles that allow people to be able to breathe underwater), Immortality (Type 6); Duplication, Paralysis Inducement, Power Bestowal, Possession, Corruption and Mind Manipulation (If her Akuma isn't purified after being defeated, it would start to multiply into many more Akumas and infect different persons, turning them into Syrens that would remain immobile until Ondine gets Re-Akumatized)
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Attack Potency: Wall level (Should be comparable to Marinette) | Town level (Comparable to other akumatized villains, fought Season 2 Aqua Bug and Aqua Noir), Small City level with Environmental Destruction (Flooded and submerged the entire city of Paris underwater)
Speed: At least Peak Human (Comparable to Alya and Nino) | At least Supersonic+ with Massively Hypersonic+ combat and reaction speed (Comparable, if not faster than The Mime and can keep up with Season 2 Aqua Bug and Aqua Noir)
Lifting Strength: Average Human | Class G (Should be comparable to other akumatized villains)
Striking Strength: Wall level | Town level (Should be comparable to other Akumatized Villains)
Durability: Wall level (Should be comparable to Marinette) | Town level (Should be comparable to other akumatized villains).  Akuma reproduction makes her somewhat hard to put down
Stamina: Unknown | Superhuman
Range: Standard melee range | Standard melee range, Tens of Kilometers with Water manipulation (covered the entire city with water all the way to the horizon)
Standard Equipment: Akumatized Watch
Intelligence: Unknown
Weaknesses: Can't travel outside of water due to her nature. Her powers will be lost if her watch has been destroyed, though the Akuma inside of it is able to multiply and can return her powers once feeling negative emotions again unless purified
Notable Attacks/Techniques:
As Syren:
Syren usually attacks physically using her swift swimming abilities to fight underwater. She seems to also be able to hit her enemies and blow them out of the water.
==Notable Matchups==
Victories:
Losses:
Inconclusive:
Category:Characters
Category:Female Characters
Category:Teenagers
Category:Humans
Category:Cartoon Characters
Category:Miraculous: Tales of Ladybug & Cat Noir
Category:Acrobats
Category:Underwater Breathing Users
Category:Martial Artists
Category:Biology Users
Category:Creation Users
Category:Water Users
Category:Air Users
Category:Immortals
Category:Duplication Users
Category:Status Effect Users
Category:Paralysis Users
Category:Power Bestowal Users
Category:Possession Users
Category:Corruption Users
Category:Mind Users