Complex sentence: As the final adventure, in what can be described as a "deus ex machina", the little group escapes disaster in a functioning helicopter which has been abandoned near the monastery where the band has been virtually imprisoned.
Split into simpler sentences: As the final adventure, in what can be described as a "deus ex machina", the little group escapes disaster in a functioning helicopter. It has been abandoned near the monastery where the band has been virtually imprisoned.