In the fanfic, when Harry meets Viktor, they could end up having a friendly rivalry. They might challenge each other to a mini - Quidditch match just for fun. And perhaps they would also talk about their different Quidditch teams and how they train. Since Viktor is from Durmstrang, his training methods could be very different from what Harry is used to at Hogwarts.
This kiss could potentially be a turning point. It might bring back memories for Peeta or make Katniss more determined to help him recover. It all depends on how the author weaves the story.
Katniss is hurt multiple times throughout the novel. One notable instance is during the actual Hunger Games when she faces various physical challenges and attacks from other tributes.
In fanfiction, they might share a magical dance. Viktor could introduce Harry to some of his Bulgarian traditions during the ball. Maybe they become good friends and have deep conversations about their different magical cultures.
Well, it could be that they start a deep conversation about the politics of the wizarding world. Since Hermione is very interested in such matters and Viktor, being a well - known figure in the Quidditch world, may have his own views. They might also discuss the impact of the World Cup on international relations among wizards.