Scavengers Reign is useful for English practice if you can already follow natural conversations. The vocabulary is not overly technical, though it includes enough variety to make the practice meaningful. At around 54 words per minute, the rhythm of the dialogue is manageable and easy to follow. There is enough plot detail to keep learners engaged without making the whole experience confusing. If your English is close to B2/C1, Scavengers Reign can be useful for learning topic-based vocabulary.
