Megumin in the light novel is 14. This age is quite significant. It shows her as a young and somewhat naive character. Her age is reflected in her actions and decisions. For example, her eagerness to use her explosion magic without always considering the consequences fully can be related to her being a 14 - year - old. Also, her relationships with other characters, like Kazuma, are also influenced by her age. She is in that stage of adolescence where she is trying to find her place and make a name for herself.
Her age makes her more impulsive. As a young character in the light novel, 14 - year - old Megumin is often quick to act without thinking through all the possible outcomes, especially when it comes to using her explosion magic.
Kazuma is an important character. He's the one who brought the group together and often comes up with plans, though they don't always work out as expected. Aqua is also crucial. She's a goddess with some rather strange and not - so - helpful abilities at times. And Darkness, she's a crusader with a bit of a masochistic streak, which adds a unique dynamic to the group.
Megumin is a really interesting character in the light novel. She is a powerful and somewhat crazy explosion mage. She has a very distinct personality, being highly confident in her explosion magic despite its limitations. Her interactions with other characters are often filled with humor and chaos.
Megumin plays a crucial role as a member of Kazuma's party. Her explosion magic is often a game - changer in battles, albeit with its limitations. For example, she can take out large groups of enemies at once, but she can only use it once a day.
I'm sorry, I don't know the exact plot of this light novel as there could be many light novels related to Megumin. You can try looking for reviews or summaries on light novel fan sites.