Leon and Dean attacked Luke, ensuring he couldn't escape after sending the Leopard flying. Luke was injured from Leon's initial shot, and the impact of the attack affected him. He was still trying to regain his composure when Dean appeared before him and swung his blade at his head.
Luke tried to block the sword strike, but he was powerless, the sword that appeared in his hand fell to the ground after taking a hit from Dean's strike.
The blade didn't stop there, landing on Luke's head. Luke's eyes soon became listless and his body fell to the ground, he was dead on the sword strike of Dean.
