Another possibility is some new, unknown villain. Maybe a dark wizard from a far - off land who has heard about Bloom's power and wants to use it to open a portal to a different dimension or something. This new villain could have some unique powers that make it difficult for the Winx girls to track him down.
Musa could be a bridesmaid too. She might use her music magic to create a wonderful soundtrack for the wedding, making the atmosphere even more magical. Tecna could use her technological skills to manage all the technical aspects of the wedding, like the lighting and any special effects. They are all her closest friends, so it makes perfect sense for them to be by her side on her big day.
The Trix could be the main antagonists. They've always been after power and Bloom's dragon flame is a great source of power. They would stop at nothing to get their hands on it and use it for their own evil plans.
In this fanfiction, Bloom and Sky's wedding would be a grand affair. The Winx Club girls would all be there, wearing their most beautiful dresses. Stella would probably be in charge of the fashion aspects, making sure Bloom looks like a true fairy princess. The ceremony could be held in a magical garden filled with enchanted flowers. Sky would be waiting nervously at the altar, and when Bloom walks down the aisle, it would be a moment of pure magic. Their love, which has been through so many trials, would be celebrated by all their friends and family.
In a Bloom and Darkar fanfiction, Bloom might face an inner struggle. Darkar is a powerful and dark force. Bloom, with her strong will and growing powers, could be tempted by Darkar's offers of greater power. For example, he might try to convince her that by joining him, she can save Alfea more effectively. But Bloom's loyalty to her friends and the good side would likely be a major factor in her decisions throughout the fanfiction.
The kiss could signify a new chapter in their relationship. It might mean that they are now more committed to each other.
A Bloom and Andy kiss in fanfiction could be written in different ways. It could be a passionate kiss, full of pent - up emotions. Or it could be a gentle, almost shy kiss, like the first time they realize their true feelings. The setting of this kiss could also vary. It could be in the middle of the Magix forest, surrounded by magical creatures and glittering lights, or in Alfea, where Bloom studies, with the backdrop of the beautiful school.
One possible fanfiction could be where Bloom and Sky have a magical wedding in the Enchanted Garden of Alfea. All their friends from the Winx Club are there, and the garden is filled with fairies and magical creatures. Bloom wears a dress made of starlight and Sky looks dashing in his princely attire. Their love is so strong that it creates a new magical bond between the realms they represent.
Some fanfictions depict their first meet in a more dangerous situation. For example, Bloom might be in trouble while on a mission outside of Alfea. Sky, who is also out on his own adventure, comes across Bloom being attacked by some dark creatures. Without hesitation, he jumps in to save her. After the danger has passed, Bloom looks at Sky with gratitude and admiration in her eyes. This event forms the basis of their relationship, as they realize they can rely on each other in tough times.
With Flora, there could be a new level of respect. Flora might see Bloom's dragon side as a powerful and wild part of nature. She could study Bloom's new form to understand more about the connection between dragons and plants in the magical world. And Bloom would appreciate Flora's calm approach in helping her deal with her new identity.
Maybe Misa. She's completely devoted to Light, but what if she discovers that Light has been using her all along? In a fit of rage and heartbreak, she could kidnap him. She has the means as she's also involved with the Death Note. She might want to make Light pay for his betrayal or force him to love her truly.