make an action scene with firstly, then, and, or finally.

Firstly, the hero bursts into the room, guns blazing, taking out the first wave of enemies with ease. Then, he leaps over a table and engages in hand-to-hand combat with a skilled opponent, exchanging blows and kicks with lightning-fast reflexes. And as the fight intensifies, more enemies flood into the room, forcing the hero to adapt his tactics and use the environment to his advantage. With quick thinking, he grabs a nearby chair and swings it like a weapon, knocking down several opponents in one fell swoop. Or so he thinks, until one particularly tough foe rises to his feet and charges at him, forcing the hero to take him down with a powerful roundhouse kick. Finally, the hero emerges victorious, standing alone in an empty room filled with battered bodies and shattered furniture.