Flash Sentry could be a likely groom. He has shown an interest in Twilight in the past and they have had some interactions that could lead to a romantic relationship. Another option could be a completely new character, perhaps a powerful wizard or a prince from a far - off land who Twilight meets during one of her adventures and falls in love with.
A likely candidate could be Discord. He is known for causing chaos and mischief. He might pretend to befriend Twilight Sparkle only to betray her at a crucial moment. Another possibility is Trixie. Trixie has been jealous of Twilight in the past and could betray her out of envy.
It could be a pony who is extremely extroverted if Twilight is introverted. Someone who loves chaos and spontaneity instead of Twilight's love for order and planning.
It could be a new character entirely. A mysterious pony who just arrives in Ponyville and catches Twilight's eye with his unique charm and different way of looking at magic.
She could marry Spike. They have a very special bond throughout the series. Spike has always been there for Twilight, and in fanfiction, this could develop into a romantic relationship leading to marriage. They already have a deep connection, and Spike's loyalty and Twilight's intelligence could make for a great couple.
Princess Celestia is often included. She is an important figure in Canterlot and could play various roles in the wedding fanfiction. For example, she might be the one giving Twilight advice or overseeing the wedding arrangements. Then there's Rainbow Dash. As Twilight's friend, she could be involved in some exciting flying stunts during the wedding festivities or helping with last - minute preparations. Pinkie Pie is also a common character. She would surely be in charge of the party - planning aspect of the wedding, making sure there are plenty of delicious treats and fun games.
It could be Discord. He loves causing chaos and kidnapping Twilight Sparkle would be a great way to disrupt the harmony in Equestria. He might do it just for fun or to see how Twilight's friends would react.
It could be Discord. He loves causing chaos and might capture Twilight Sparkle just for the fun of it or to disrupt the harmony in Equestria.
In some fanfictions, she could die sacrificing herself for her friends. Twilight is extremely loyal to her friends in Ponyville. So, if there was a situation where her friends' lives were in danger, like from a powerful villain, she might choose to give up her own life to protect them. This would be a very heroic and in - character way for her to die.
There could be some jealous ponies in Ponyville as antagonists. They might not understand Twilight's relationship with the changeling and start spreading rumors. This could create problems for the couple, like making Twilight doubt the changeling or making the changeling feel unwelcome in Ponyville.
They often interact as teacher and student. Luna, with her vast knowledge of the old magic, can teach Twilight things that are not found in modern magic books. For example, Luna might show Twilight how to communicate with the spirits of the night.