Killed them? Kind of a mild explanation for what had happened. It looked as if a bomb went off. Limbs and gore and bodies everywhere. And Laura. . .
Poor naive and powerful Laura collapsed, the magic in her exhausted. But because of her, they were alive.
Despite the victory, Axel didn't think it wise to stick around. He scooped her from the ground, noticing that the vibration she usually emitted in his presence was dull. He tossed her in the buggy and took off. As he maneuvered the derelict city, he kept glancing at her.
She'd saved his life, which didn't negate the fact that she'd put it in danger in the first place. If she'd not tried to escape, they might never have drawn the attention of the ghouls. He might never have known about her strange ability.