Create a dynamic and intense thumbnail featuring two characters in a dramatic sc

Create a dynamic and intense thumbnail featuring two characters in a dramatic scene. One character, a strong-looking bald man in a suit, is holding a knife and angrily pressing down on the other character, who is lying on the ground with a pained but defiant expression. The background shows a cloudy sky and green grass, enhancing the tension in the scene. The overall mood should be intense, with high contrast and vivid colors to grab attention."