Fairies’ abilities are limited in their civilian forms. To increase their magical abilities, they transform into fairies and are able to use their powers with greater ease, gain wings, and new clothes and accessories. There are standard fairy levels, which are gained during a fairy's formal education journey to become a full-fledged fairy, and an infinite number of higher fairy levels and acquired powers meant for specific situations.
In the comic and book series, the Winx have attained eight levels of power exclusive to the series.
These levels of power are gained during a fairy's formal education journey to become a full-fledged fairy.
- Main article: Winx (Form)
In Season 1, Stella introduces Winx when fighting Knut in Gardenia Park. Winx is the standard Fairy Form for Alfea fairies. A fairy is usually able to transform when she has a strong enough will and fully believes in her magical capabilities. Fairies can more easily manifest their magic than when they are in civilian form as well as use more powerful spells.
- Main article: Charmix (Form)
In Season 2, Chatta introduces to the Winx the concept of Charmix after Bloom earns hers. In Alfea's curriculum, earning Charmix is the goal of a second-year fairy. In order to earn Charmix, a fairy must overcome a great personal difficulty. Charmix boosts the magical energy of a fairy, making her more powerful and allowing her to use magic in more diverse environments. It can run out of energy and drain its user’s magical energy.
- Main article: Enchantix (Form)
In Season 3, Faragonda introduces Enchantix to the Alfea fairies upon their return from spring break. Enchantix is the "Final Fairy Form" in a fairy's formal educational journey to become a full-fledged fairy. In Alfea's curriculum, earning Enchantix is considered their final exam. Enchantix fairies who graduate from Alfea are also the Guardian Fairies of their respective homeworlds, bound to protect their worlds from evil and destruction. In order for a fairy to earn Enchantix, she must rescue someone from her homeworld and show great sacrifice in doing so. Along with an increase in magical strength and endurance, Enchantix allows fairies to use Fairy Dust to miniaturize, break dark spells, and various other things. Enchantix wings are sustainable at higher wind speeds than those of a standard fairy. Enchantix also allows fairies to earn Higher Fairy Forms such as Believix.
After Enchantix, there is an infinite number of levels a fairy can reach. Higher Fairy Levels are meant for specific situations.
- Main article: Believix (Form)
In Season 4, Faragonda brings the Winx into the Hall of Enchantments and informs them that after Enchantix, there is an infinite number of levels a fairy can reach, the one above Enchantix being Believix, a Fairy Form that can affect the feelings of people. The Winx soon learn that their Enchantix is ineffective against the Wizards of the Black Circle, and that only Believix can combat their evil power. In order for a fairy to earn Believix, she must make people believe in fairies and magic, thus Believix can only be earned on Earth or somewhere where people do not believe in magic. Believix gets stronger when more people believe in magic, which means that if a Believix fairy does not continue to convince people to believe in magic, her powers will weaken. A fairy must have also earned the previous three Fairy Forms: Winx, Charmix, and Enchantix. Believix enables a fairy to reach the heart of the people and their feelings. It gives the fairy new energy and the power to heal whoever is in need. Believix comes with four types of wings: the standard wings, and Speedix, Zoomix, and Tracix wings.
There are powers acquired via power sources or magical items.
- Main article: Gifts of Destiny
The Gifts of Destiny are the evolution of the Believix power that are used to combat the power of the Major Fairies. One of the Gifts of Destiny, the Black Gift, is not a Fairy Form, but a spell to save one person from death.
- Main article: Sophix (Form)
In Season 4, when Diana, the Major Fairy of Nature, decides to take part in the Great Revenge of the Earth Fairies, the Ethereal Fairies give the Winx the Gifts of Destiny because their Believix powers are useless against Major Fairies. The Winx use the Sophix power to restore the heart of Amazonia and the source of Diana's magic. In order to earn Sophix, a fairy must be granted the Gift of Wisdom by the Blue Ethereal Fairy. Sophix allows fairies to magically unite with nature as it is a source of emotional and instinctive energy which merges with the Believix powers to reach absolute harmony with nature.
- Main article: Lovix (Form)
In Season 4, when Aurora, the Major Fairy of the North, decides to take part in the Great Revenge of the Earth Fairies, the Ethereal Fairies give the Winx the Gifts of Destiny because their Believix powers are useless against Major Fairies. The Winx use the Lovix power to battle Aurora's forces and protect themselves from the cold. In order to earn Lovix, a fairy must be granted the Gift of Heart by the Green Ethereal Fairy. Lovix protects its users from the cold and implements in them ice and cold-based powers.
- Main article: Harmonix (Form)
In Season 5, the Winx meet with Faragonda to discuss their newfound knowledge of their Believix powers being less effective underwater, and they learn that they must acquire Sirenix in order to defeat Tritannus. She informs that that in order to begin their quest, they must find the Sirenix Book, but the only person who knows its location is Daphne, Bloom's sister and the last fairy to acquire Sirenix. After finding and unlocking the Sirenix Book, the book gives each of the Winx a Sirenix Box which contains their Guardians of Sirenix who grant them Harmonix. If a fairy does not complete the Sirenix Quest within one lunar cycle, they will lose their powers forever. In order for a fairy to earn Harmonix, they must locate and open the Sirenix Book. Their Guardians of Sirenix will then grant them Harmonix. Harmonix allows fairies to use their magic easier in mid-air, on land, and underwater. It also helps fairies to swim faster.
- Main article: Sirenix (Form)
In Season 5, the Winx meet with Faragonda to discuss their newfound knowledge of their Believix powers being less effective underwater, and they learn that they must acquire Sirenix in order to defeat Tritannus. Faragonda tells them that Sirenix is an ancient power that was born of the magic of the oceans, and that no one has acquired Sirenix for a long time. She informs that that in order to begin their quest, they must find the Sirenix Book, but the only person who knows its location is Daphne, Bloom's sister and the last fairy to acquire Sirenix. When Bloom asks Daphne about the location of the Sirenix Book, Daphne tells her not to look for it because it is dangerous. When the Ancestral Witches attacked Domino, she acquired Sirenix and was ready to use it against them but the Ancesral Witches had placed a spell on Sirenix and when Daphne tried to use it, it turned against her and caused her to become a spirit without a body. Bloom ends up persuading Daphne, who reveals that the Sirenix Book is in the Magic Archive of Alfea.
The Source of Sirenix is found in the cave where Daphne dwells in Lake Roccaluce which protects Sirenix and grants it to fairies who have completed the Sirenix Quest. If a fairy does not complete the Sirenix Quest within one lunar cycle, they will lose their powers forever. In order for a fairy to earn Sirenix, they must find the Gem of Self-Confidence, the Gem of Empathy, and the Gem of Courage. After that, they need to activate the magic spring of Lake Roccaluce by using the Source of Sirenix. Sirenix grants its possessor access to the Infinite Ocean and gives fairies and witches the ability to use their magic easier in midair, on land, and underwater. It also helps them to swim faster.
- Main article: Bloomix (Form)
In Season 6, the Trix take over Cloud Tower and ally with a witch named Selina, who owns a magical book called the "Legendarium" that can make legendary creatures come to life. When the Trix attack Linphea, the Winx attempt to fight them, but the Legendarium strips them of their powers, except Bloom (because the power of the Great Dragon cannot be taken from its keeper). Bloom then shares parts of her Dragon Flame with the other Winx girls who will have to perform good actions worthy of a fairy to earn a new transformation. In order to earn Bloomix, a fairy must have a part of the Dragon Flame. She must then perform a good and courageous act worthy of a fairy. Bloomix gives the Winx their magic back after the Legendarium stripped them of their powers.
- Main article: Mythix
In Season 6, the Winx search for magical artifacts to lock the Legendarium for good. In their search, they go to Tir Nan Og and attempt to acquire the Ancestral Wands. In doing do, they learn that long ago, seven Ancestral Fairies crossed over from the Legendarium World to the real word and spread their magic throughout all the worlds of the Magic Dimension, including the Earth. They brought with them seven Ancestral Wands which contain the Mythix power, which allows entry into the Legendarium World. However, one must not stay in the Legendarium World for too long, or else they will become fictional characters, stuck in the pages of the Legendarium forever.
In order to earn Mythix, a fairy must prove herself before the Ancestral Wands. In turn, the wand she receives will grant her Mythix. Mythix gives its users the ability to enter the Legendarium World, and also the ability to teleport themselves in and out of the Legendarium World. The Ancestral Wands grant their users the ability to summon projections of legendary clues by exclaiming "Mythix insight" or "Mythix vision". The wands are also used as a homing device for the Fantasy Emerald and the Silver Spear.
- Main article: Butterflix
In Season 7, the Winx find their Bloomix powers to be ineffective against Kalshara. They acquire this form in the Valley of Fruit of the past during their quest to find the secret of the Digmoles. In order to earn Butterflix, a fairy must prove themselves worthy as the true defender of the Fairy Animals. As the essence of the nature, Butterflix grants its users nature-based power. However, it cannot damage nature itself.
- Main article: Tynix (Form)
In Season 7, after the Winx's Fairy Animals find the magic harmony among them, they reveal themselves to be the guardians of the Ultimate Power of the Fairy Animals and bestow the Tynix Bracelets upon the Winx. With the bracelets, the Winx can miniaturize and access MiniWorlds, dimensions where the next phase of the Winx's search for the Ultimate Power will commence. In order to earn Tynix, a fairy must be granted a Tynix Bracelet by their bonded Fairy Animal. Tynix grants fairies the ability to enter the MiniWorlds, as well as teleport themselves from the MiniWorlds to the normal world. Via the Tynix Bracelets, fairies can also communicate with Fairy Animals. The Tynix power also creates an unbreakable bond between fairies and their bonded Fairy Animals, making it so that no matter how distant a fairy and her bonded Fairy Animal are, they can join together.
World of Winx
- Main article: Dreamix (Form)
In Season 1, the Winx are initially seen investigating the mysterious kidnappings of talented kids on the ground, but they soon acquire this form and use it combat the evil forces of the Talent Thief more effectively on all terrain. The way of earning Dreamix is only vaguely hinted toward. It seems as though the Winx earned Dreamix during Annabelle's performance, as they experience a vision of the transformation sequence at the same time Annabelle's dream comes true (which never would have happened without their help). Then, the Winx are forced into their Dreamix forms when they are sucked into a portal leading to the World of Dreams. The source of Dreamix power is dreams and talents. It grants the Winx the ability of sensing which talented person will be the next target of the Talent Thief (referred to as "Dreamix Vision"), as well as their whereabouts. Since the Winx were forced into their Dreamix after being sucked into the portal leading to the World of Dreams, it is possible that Dreamix is necessary to enter this place. It allows the girls to search on land, midair, and briefly underwater.
- Main article: Onyrix (Form)
In Season 2, the Spirit of the World of Dreams transports the Winx to the World of Dreams, and they find themselves in their Onyrix form. Onyrix is the evolved form of Dreamix. In order for a fairy to earn Onyrix, she must earn Dreamix first. Then the Spirit of the World of Dreams grants her Onyrix. With Onyrix, fairies are granted the ability to enter the World of Dreams without the use of the Magic Watch from the previous season.
Book Exclusive Powers
- Main article: Magic of Sports
- Main article: Magic of Food
- Main article: Magic of Joy
Aquatix or Mermaidix is a mermaid transformation earned by the Winx in the novel, "Sirene."
Trendix is a transformation earned by the Winx in the Winx Fairy Couture novel, "Bloom. My Dream of Fashion." According to the novel, the transformation looks different every time they used it.
- The PopPixie form is similar to Fairy Forms.
- The Winx were seen in most of their Fairy Forms on Earth:
- Winx: When the Winx went to Mitzi's Halloween party.
- Enchantix: When the Winx were searching for Roxy and fighting the Wizards of the Black Circle.
- Believix: When the Winx made humans believe in magic and fought against the Wizards of the Black Circle, the Trix, and Tritannus.
- Sophix: When the Winx were battling Diana in Amazonia.
- Lovix: When the Winx were battling Aurora in the North.
- Harmonix: When Bloom, Musa, and Tecna fought against the mutants and the Trix.
- Sirenix: When the Winx were battling Tritannus.
- Bloomix: When the Winx went to Gardenia, Egypt, China, Calavera, and Fearwood.
- Butterflix: When the Winx went to Italy, the Sumatran Jungle, the Qinling Mountains, and Ethiopia.
- Charmix, Mythix, and Tynix are the only Fairy Forms not seen on Earth.
- Harmonix is the only known temporary Fairy Form.
- Tecna wears pants or shorts in most of her Fairy Forms.
- Charmix, Sophix, and Lovix are the only Fairy Forms not seen in flash animation.
- Charmix, Sophix, and Lovix are the only Fairy Forms to not make an appearance in the comics.
- Enchantix, Sophix, and Lovix are the only Fairy Forms to not have the words "Magic Winx!" as part of the transformation phrase.