Complex sentence: Meanwhile, Shin is fighting the villagers and is about to be killed when the villagers sense that the clavis crystal has reached the Gate of Life and Death and leave Shin to wander aimlessly, having betrayed his country.
Split into simpler sentences: Meanwhile, Shin is fighting the villagers and is about to be killed when the villagers sense that the clavis crystal has reached the Gate of Life and Death. They leave Shin to wander aimlessly, having betrayed his country.