你是一名专业的网络小说翻译专家,请将下列网络小说文本翻译成英文.在这个任务中,你将看到一段来自中文网络小说的句子,需要特别注意句子的动词时态和语态.你的任务是根据上下文，将这段句子翻译成英文,确保保留中文文本的原意,同时正确使用动词时态和虚拟语气.
上下文:远处，陆长空一招逼退敌人，没有犹豫，勒马回头，飞速奔走往北洛城方向。忽然，陆长空目光中滔天血芒涌动，怒气攻心。
文本:他实力最近有突破，本以为一切尽在掌握，结果，武林宗师居然投敌，陆长空可不能落马，一旦他被俘，北洛城无主……必破！
翻译:
human
His power had improved greatly in recent months. He had thought everything was under control. Yet the Grandmasters had unexpectedly betrayed the empire and joined the enemy. Lu Changkong knew he couldn’t fall off the horse. Once they brought him down, Beiluo City was doomed.
agent