Pre-Series
When she was a child, Tecna would often make her own video games instead of playing them.
Series
Season 1
Tecna Season 1
In Season 1, Tecna goes to Alfea for the first time and shares a room with Musa. She is the smartest of the Winx with an IQ of 150 and falls in love with Timmy. At the beginning, she shows little emotion and uses straightforward logic. That is until she herself admits in "Friends in Need" that ever since she met the Winx, she easily loses control. She said this after Griselda forbade her to use techno gadgets and the Winx teased her by saying that by Tecna's standards she is showing too much emotion. Through the season, she acts as the one who always thinks logical and is sometimes the strategist. Even in this season, it can be seen that she and Bloom were not really on the best of terms. While Bloom dealt with Icy in the season finale, the other four Winx went on to take care of Darcy and Stormy.
Season 2
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Tecna starts her second year at Alfea but before that, a celebration is held for Bloom to commemorate her defeating the Trix last year. But Bloom, knowing that her friends also were part of ending the war, had them join her. The celebration ends. Tecna spends time with Timmy ato show him how to calibrate a simulator. The two rejoin their friends and explain where they had been, but the is not bought by an amused Stella. The day ends on a concerning note as an exhausted girl walks towards her and her friends, who then faints. As her friends gather around the poor girl, trying to figure what happened to her, Tecna scans her vitals and informs her friends that she is alright, just exhausted. Over the course of four days, Tecna and her friends stay awake worried about the girl, Aisha. Though she tries to eventually get some sleep as classes are about to start.
Although Tecna was not there when Aisha woke up, she is told of what happened to her. Faragonda relays some vital information regarding their new foe: he absorbs magical energy. Tecna realizes that this new foe can use her power against her. Either way, the pixies are top priority and a mission is set to retrieve the imprisoned pixies at Darkar's Fortress. However, only Stella, Bloom, and Aisha will be going. Tecna is staying behind because her technomagic will help them monitor the situation while the three carry out the mission. She does not contest the plan. At the quad, Tecna and her friends wait for the Specialists to get here, as they will be assisting in the mission. As it turns out, only Sky and Brandon will join them in infiltrating Darkar's Fortress. Tecna finds this situation amusing and jokingly tells Aisha that she will need chaperone the two lovebird pairs. Riven and Timmy are there but only to drop them off and pick them up from the castle.
When the mission starts, Tecna starts monitoring the situation while also being incredibly worried about her friends. There have been times the signal falls off and she has to reconnect again. She and Musa then meet Livy, the Pixie of Messages, who crashes into her palmtop. Livy then explains why she is here: requesting assistance from Alfea. She tells Tecna and Musa her side of the story, which includes the pixies that stayed behind. As it turns out, Livy was recovering her head injury and she knew something was wrong when her friends did not return from the Dark Forest. She was told by Aisha to stay hidden and while she rescued the others. However, they were gone far too long and Livy was sent to Alfea to ask for help. As Livy relays this story, she, Tecna, and Musa are unaware that Darkar is eavesdropping on their conversation.
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Tecna sees Timmy surrendering to the Trix.
Finally, her friends return with the pixies in tow. Tecna finally meets her bonded pixie, Digit, in person after talking in a chatroom.
After her friends had returned from their mission, she learns of who had imprisoned the pixies and Aisha, Lord Darkar who not only wants revenge on those who forced into deep slumber but also the universe's power. She noticed Faragonda is withholding the answer to what is being stolen and its importance.
She attends Red Fountain's reopening ceremony and had to deal with a monster that attacked the celebration. Then she, the Winx, and her fellow classmates are introduced to their new professor, Avalon. And like every fairy at Alfea, is immediately gravitated towards him but feels that he is off... As if he is hiding something. These suspicions made her question why Avalon was there, at Darkar's Fortress, when her friends were being attacked by the Trix with their Gloomix powers. She also noticed that her friends had mentioned him having wings when they first encountered him. Tecna and Digit found it strange and so they conduct their own research. They find a book called Anthropomorphic Winged Monsters by the author Serius Facetus. In the book it details the Creature of Destruction and when the three planets align he will bring doom; its description sounds very similar to that of Avalon. To add onto her suspicions, she had seen Avalon in many places and he knew how many tulips and roses were missing from Alfea's garden. So she proceeds to expose him with her friends (except for Bloom) when he least expects it. She and her friends chase him, which causes him to reveal his wings, and when he is cornered, he growls and says, "You meddlesome fairies!" When Tecna blasts him and her friends (accidentally) to stop him, it is revealed that he is not the Creature of Destruction. The next day, she and her friends are in Faragonda's office with the professors to discuss her actions. She learns that the prophecy she had read was created by the writer who was a comedian. Avalon explains his side, he uses his wings when he is in danger (such as being antagonistically chased by his students), the multiple Avalons were due to Wizgiz's experiment, and he knew how many number of flowers were missing because he was practicing a spell that enhances his sense of spell (which he will teach).
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Tecna accepts her faults and learned her lesson.
When Faragonda inquires about where Tecna had heard about this "famed" prophecy, she tells her it was Serius Facetus. Faragonda chuckles and reveals that he was comedien and made that prophecy up. She also tells Tecna that just because something is published in a book and was popular, does not make it true. This was the lesson Avalon talked about in his class. Tecna realizes her mistake and is thoroughly embarrassed and disappointed in herself. She and her friends apologize to Avalon who then punishes them with an exam.
After that ordeal, she went to Red Fountain with Bloom and Flora to support the former while she talks with Sky. Things turn bad though because the Trix break into the school to steal Red Fountain's codex. She and her friends are overpowered by the Trix's new powers. She then witnesses Timmy surrendering to the Trix, allowing them to take the Red Fountain's codex, causing her to think of Timmy as being weak and a coward. Putting a strain on their relationship.
Faragonda finally answers what was stolen, the codex. It became prevalent to explain to Tecna and her friends after Red Fountain's codex had been stolen and the pixies were under a homesickness spell, compelling them to return to Pixie Village, which will reveal where their codex is. If Darkar steals all parts of the codex, it will bring disaster. Tecna also learns the other two pieces are hidden at Cloud Tower and Alfea.
Because of the looming threat, classes and studies are amplified to prepare the students for an impending attack against their school.
Tecna also visits Earth for the first time to attend her first Halloween party, courtesy of Bloom's enemy, Mitzi. Although, Tecna and her friends were the Mitzi's prank targets, it eventually backfired onto the latter when the pixies intervened and scared her instead. In the end, it was a fun party.
Tecna trapped in ice.
After the Trix had successfully stolen Red Fountain's codex, the Winx were sent to Cloud Tower to learn about witchcraft and help protect its codex. When they got set up at Cloud Tower, Tecna and Bloom were paired. When Tecna uses her technomagic to find the Codex, the Trix come and freeze her, allowing them to find the location of the Codex. But what Tecna actually found was not the Codex room, but the heart of Cloud Tower, devastating Tecna because her calculations were wrong. There was no time to waste, as the Trix were nearing the codex location. And when they did, the Winx sought to stop them with convergence. Only, it failed because each person were struggling with each other. Their frustrations with each other prevented absolute harmony and understanding, causing the convergence to backfire onto them. Losing the codex to the Trix in the process.
In the Wildland, when they are attacked by the bewitched animals, Timmy comes up with a plan, but Tecna has no faith in him. At the end of this episode, Tecna gains her Charmix after she admits that she did not liking him.
Season 3
In this season, Tecna was at first given a minor role, except when she saved the girls from giant spiders on Solaria. Later on, in the season, Tecna became the main focus after closing the portal to the Omega Dimension while saving Andros (and earning her Enchantix in the process). After she was found and rescued, her role became minor again, until she had visited the Golden Kingdom and gone through the Crystal Labyrinth, where she had sacrificed her emotions to claim the first of the Water Stars. She was courageous enough to give up everything she loved to save the magic dimension from Valtor. But Arcadia gives back her emotions. In the season finale, she had fought off a fake Timmy, who was a wind monster, created from the Spell of the Elements, before regrouping with the others for Valtor's final defeat.
Season 4
Tecna in Season 4
When the fourth season started, Tecna, along with the rest of the Winx girls, accepted an invitation to teach at Alfea. After the obstacle course was destroyed by a student, hurting Flora in the process, Tecna was the one who located the fireball made of "Blastophosphorate" (as she stated it was made of this chemical compound). The box of the explosive came in in the backpack of a student named Alice and did not believe a word of her pleas of innocence. Once the Wizards of the Black Circle showed up, Tecna was just as easily defeated by them until the wizards decided to leave, realizing Bloom was not who they were looking for. Afterward, Tecna finally believed Alice after her friend Clarice confessed to the crime.
After the Winx founded Love & Pet in order to help search for the Last Fairy on Earth, Tecna created the Winx Club Website in order to help their pets get adopted.
Once The Winx found and befriended Roxy, Tecna was helped by Roxy to learn more about Superheroes as a way to help humans believe in magic again.
Season 5
Tecna in Season 5
Tecna helps the Winx on the quest to find the Book of Sirenix but turns into a dark Robotic version of herself as a result of a spell put on her phone, while trying to find the book of Sirenix by the Trix.
Tecna in her robotic version.
In The Gem of Empathy, Tecna along with Bloom and Aisha head to Tecna's home world, Zenith, in order to search for the gem of empathy where they are assisted by Roy. Once there Tecna meets her Selkie, Lithia and bonds with her, which gives Lithia her powers back. They then head to Databridge Castle where they find the Gem of Empathy.
Lithia bonds with Tecna
However, when Tecna and Aisha try reaching for the gem they begin acting antagonistic towards each other due to the poison of the vines that wrapped around the throne. Later after much deliberation, Bloom gets through to them and the two return to normal and help obtain the gem of empathy. She, along with the rest of the Winx, earned Sirenix in "Sirenix" and entered the Infinite Ocean along with their selkies.
In "A Perfect Date", after learning her special Sirenix spell, Aura of Sirenix, the rest of the Winx celebrate by setting up a date between Tecna and Timmy. The date gets awkward really quick. Things are interrupted when Musa calls her, saying that the Winx need help in destroying the seal at the Pillar of Control. Tecna goes to help and saves the rest of the Winx. Together, they destroy the seal. After that, Tecna returns to the date. They start over and just act on their feelings.
Season 6
Tecna and the Winx girls (minus Bloom) arrived at Domino along with the Specialists for Domino's party, celebrating Daphne's revival. They helped Daphne get ready for the party. Then, after the Trix arrives, Tecna helps the Winx to fight off the Beast of the depths and helps Daphne earn confidence.
Later on, Tecna is seen with the Winx girls celebrating Faragonda's one hundredth anniversary with Caramel. When the Gloomy Wood Trolls abduct Pixie Village, She battles them with the Winx.
After receiving an invitation from Timmy, Tecna, and the Winx go to Linphea, where the Trix was planning to conquer. After the Trix arrives, She fights them off but loses her powers after attacking Selina.
In "Bloomix Power", Tecna joined the Winx in Aisha's gym and accompanied the Winx and Specialists to Linphea College.
In "The Golden Auditorium", Tecna and Musa argued throughout the episode. When Bloom, Stella, Flora and Aisha are knocked out by the Pandemonium Sprites, she and Musa had to save the Auditorium. In the same episode, she and Musa earned their Bloomix by working together and defeated the Pandemonium Sprites.
Tecna, with the Winx, visited The Lost Library of Alexandria to find Eldora's Diary. She also helped fight the Sphinx but incorrectly guessed the answer to his riddle.
She went to China with the others but was affected by the sleeping spell Icy put on the dumplings. However, she was woken up by Piff.
She was against the idea of Selina accompanying them into the Alfea Greenhouse but Bloom convinced her and the others to let Selina in.
When Aisha was angry with Stella, Tecna and Musa went to talk to Stella. Tecna and the other Winx sensed the Pixies were in danger.
She, with the Winx, helped Bloom when the Children of the Night were attacking her. However, they captured her along with Bloom, Flora, Aisha and Musa but was subsequently rescued by Stella.
She cooked pizza with the Winx and went to the Forest of Flowers to find Eldora with them. She used her Bio-Rhythmic Blast along with Musa's Infinite Echo to attack the Ectoplasm Specters but it failed and she was knocked out by an attack from the monsters. Luckily, Musa caught her before she hit the ground.
In "Mythix" she earned Mythix with the rest of the Winx and took possession of an Ancestral Wand.
In "The Mystery Of Calavera", she went to Calavera with the Winx and Daphne. She was the only one who agreed to Timmy's raft idea. However, the raft was wrecked on a rock and she had to swim to the cave with Timmy. She traveled to the Legendarium World with the others and fought the Trix.
She helped fight the Pirate Zombies on board the ship. When Bloom found the Fantasy Emerald, she left the Legendarium World before she became a fictional character. When Selina released the Pirate Zombies in the real world, she helped fight them.
Season 7
In the first episode, Tecna and the other Winx are introduced to Alfea Nature Park. In the park, they had a little fight against Kalshara in the form of a bird, but they could not stop her from kidnapping the last living Digmole.
In "Young Fairies Grow Up", the Winx are presented with Stones of Memories that allow the user the ability to travel to the past. Traveling to Alfea from the past, the Winx witness the young Faragonda spoiling the Fairy Animal Talent Show, and eventually transform to save her from an angry Rabcon. After that, they all are trapped by Deerbeetles, but are saved by a young Kalshara. Later, the Winx had a little chat with Headmistress Mavilla.
In the next episode, "Butterflix", the Winx help young Faragonda to find her Digmole who ran away during the Talent Show mess. When Kalshara deceives Faragonda in order to steal the essence of Wild Magic and attain the Ultimate Power of the Fairy Animals, the Winx confronted the Giant of the Valley summoned by Brafilius in the Valley of Fruit. Having destroyed the Giant of the Valley and saved the Digmoles, the Winx receive Butterflix for proving to be true defenders of the Fairy Animals.
Tecna bonding with Flitter
From then on, Tecna only has a major appearance in "One Animal Fairy for Tecna", where, after the other Winx Fairy Animals damaged one of Roxy's technomagic spheres, Tecna suggests taking the sphere to Zenith to find a way to fix it. Brafilius then travels to Zenith's past to check if the Techsquirrels were the Animals with Ultimate Power, causing instability in Zenith's Techno-Magic Core, affecting the present. The Winx decide to travel to the past to prevent it. Arriving at the site, they have trouble trying to stabilize the core. Tecna, with the help of one of the Techsquirrels, stabilizes the core with her special Butterflix spell, "Virtual Flow", after which she bonds with this same Techsquirrel called Flitter. After returning to the present, Flitter mends the technomagic sphere.
In "Tynix Transformation", Tecna receives a Tynix Bracelet from Flitter, allowing her and the other Winx to enter the Mini Worlds. After this, she and her friends go to Pyros to stop Kalshara from harming the dragons there. In the next episode, the Winx enter the mini world of Pyros volcano to destroy the Vampire of Fire, where they witness the horn of Elas turning silver due to his bravery.
In "Back to Paradise Bay", Tecna, her friends and the Specialists go to Paradise Bay to enjoy a little. After realizing that the local flora was dying, they use their Tynix powers to enter the Leaf MiniWorld in order to discover the problem. There, they help and meet Chloe, the leader of the Leafies, fighting a group of Plant Mites, but end up getting into trouble with the Leafies after Stella reveals that Brandon plucked some pink flowers on the island to make a necklace for her. In the next episode, "Lost in a Droplet", the Winx and Leafies make up and decide to restore the flora of Paradise Bay, with Chloe giving each one a Gem of Light and heading for the Drop MiniWorld. In the MiniWorld, they fight against a dark blob, where Tecna and the other Winx (minus Aisha) are trapped inside the blob. After Aisha and Squonk get time for the Winx, they deposit the Gems in Luz at the proper place, with Aisha using her Special Tynix spell, "Cry-Cry Drops", to help the Gems of Light to grow and destroy the blob and restore Paradise Bay.
In "The Magix Rainbow", after Kalshara disturbs the magical balance between fairy magic and wild magic, the Winx enter the Mini World of the Rainbow to restore magical harmony. In the place, Musa restores the harmony of the MiniWorld with her special Tynix spell, "Harmony of the Quillcat". After leaving the MiniWorld, the Creature of the Rainbow Mantle reveals to the Winx that the animal with the first color of the universe was closely linked to the fairies.
In the next episode, Tecna and the other Winx are transformed into babies by a spell put on their Memory Stones by Brafilius, but their normal ages are restored at the end of the episode.
In "It's a Crazy, Crazy World", the Winx go to Ethiopia to understand what was happening with the region's climate, and after Cherry fails to fix the weather, the Winx enter the Sundial MiniWorld, which was in chaos due to the four seasons being active at the same time thanks to three extra suns. To remedy the situation, Tecna and Flitter use their special Tynix spell, "Techsquirrel Flash", managing to disable spring, autumn and winter, making only summer active, bringing back the MiniWorld harmony. When they return to real world, the Winx find the "Faragonda's Digmole" and take it to Alfea.
Season 8
During the night of the shooting stars, Tecna is seen coming out with Aisha and through that the Winx make acquaintance with Twinkly, a Lumen coming from space. The Winx along with Tecna save her from the attack of mysterious creatures called Staryummy, who invade Alfea, and help her recover her memory. Twinkly remembers her mission and offers to lead the Winx to Lumenia, in order to meet Dorana, queen of all the Stars.
Movies
The Secret of the Lost Kingdom
In this movie, Tecna joins the Winx in finding Hagen, the swordsmith who had forged the Sword of King Oritel. She helps Bloom to find the truth about her planet and parents, while also graduating from Alfea.
Magical Adventure
Tecna, And Timmy as Shown In 3D Magical Adventure
In the movie, Tecna and the Winx (minus Bloom) face the Trix at Alfea where they are not able to defeat them. They soon discover Bloom is engaged to Sky on a reality TV show, she then tells the Winx, who all agree to go to Domino. They arrive at Domino to find a heartbroken Bloom, who is recently just dealing with a broken heart after Sky tells her they cannot get married.
After being at Domino the Winx teleport to Gardenia, the Winx then collapse and then wake up to find out their magic is gone so they are then forced with the task to stay on Gardenia until they get their powers back. The Winx then head to Avram to look for clues to get their powers back, which they do and then are forced to fight the Trix who they then defeated.
The Mystery of the Abyss
Specials
The Fate of Bloom
Tecna, along with the rest of the Winx, were given a special assignment to clean the school without magic or technology. This upsets Tecna. She denies the help of Flora and tries to figure it out herself. She puts the bucket on her head and tries to clean a picture with a broom, because she never had to deal with such a task without using magic or technology, and was unsure how to use cleaning supplies.
Revenge of the Trix
Tecna uses her powers to locate Bloom when she got lost in the forest.
The Battle for Magix
Tecna helps fight the Army of Darkness and the Trix.
The Shadow Phoenix
When the new Red Fountain was made, Tecna and the Winx met Helia. Also when Bloom was kidnapped by Avalon, she used her tool to help her what happened to Bloom. After that, Tecna and the rest of the Winx minus Bloom went into the Phoenix's castle and tried to rescue her with the Specialists including Helia.