While he's trained in hand-to-hand combat by MI6, his skills are portrayed as more general, focusing on practicality and effectiveness rather than adhering to any specific martial art.
He uses a combination of techniques like:
* Judo throws: He throws his opponents to the ground with quick and precise movements.
* Kicks and punches: He delivers powerful strikes with his legs and fists.
* Grappling: He uses his strength and agility to subdue opponents in close combat.
He also uses a variety of weapons, such as:
* A SIG Sauer P226 pistol: This is his primary firearm.
* A Walther P99 pistol: This is a backup pistol.
* Knives: He carries a variety of knives for close combat.
Overall, while Alex Rider's fighting style is inspired by real-world martial arts, it's not explicitly based on karate. He uses a variety of techniques to suit the situation, showcasing his adaptability and training as a spy.