Robots throwing punches and kicks—and executing recovery moves, even after losing their heads during combat—marked the debut of the URKL in China, a freestyle combat competition for full-sized humanoid robots organized by Shenzhen-based EngineAI. The TH00 robot was designed to match the size and weight of an adult human and is capable of performing advanced combat maneuvers, including punches, spinning kicks, and rapid recovery after falls.

Equipped with systems for postural control, dynamic perception, and shock absorption, it can withstand repeated blows and maintain its balance during high-intensity fights. Despite losing the sensors in its head, the machine continued to fight using control systems located in its torso, throwing punches and absorbing hits until the bout ended.

Organizers stated that the incident demonstrated the robot's structural durability, redundancy, and resilience under combat conditions. When a human throws a high kick, dozens of muscles make tiny, near-instantaneous adjustments to prevent a fall; replicating this behavior in a machine requires simultaneous control of force, speed, center of gravity, and ground traction. Consequently, before subjecting the robots to real-world testing, researchers moved the training to virtual environments, where millions of attempts could be made without the risk of damaging the hardware.

After millions of simulations, the robot learns on its own how to distribute its body weight, control leg thrust, and regain balance after every impact. When this training is transferred to physical robots, sensors distributed across the feet, hips, and torso perform hundreds of micro-corrections per second to compensate for any imbalance; the hardware, too, had to evolve alongside the software. The robots utilize high-torque actuators capable of generating rapid, extremely precise movements.

The chassis combines lightweight materials—such as aerospace-grade aluminum and carbon fiber—to reduce inertia during kicks, while impact-absorption systems control joint deceleration at the moment of impact, preventing the force of the blow itself from damaging motors and gears. Cameras and depth sensors continuously calculate the target's position, automatically adjusting the movement's trajectory and height. Although these demonstrations recall scenes from science fiction movies, the objective extends far beyond combat.

All this knowledge regarding dynamic balance, impact recovery, and body coordination can be applied to robots designed for rescue missions, industrial inspections, disaster zone exploration, and operations on extremely unstable terrain. The better a humanoid can maintain its balance against unpredictable forces, the greater its capacity to operate in environments where humans could hardly function safely.

The KL 2026 tournament is part of a broader effort by China to promote robotics and accelerate the development of humanoid robots through real-world testing and scenarios. Industry specialists state that such competitions raise public awareness and help validate technologies—such as motion control, dynamic balance, impact resistance, and essential mechanical components—under demanding conditions; however, others warn that optimizing robots for combat could divert development away from practical industrial and service applications. What roles do you think these machines will play in our society?