Complex sentence: While the kewletts are destroying his village, Raze has just returned to witness his people being slaughtered by the Kewletts, frightened he ran deep into a forest and eventually came across a cave.
Split into simpler sentences: While the Kewletts are destroying his village, Raze has just returned to witness his people being slaughtered by the Kewletts. Frightened by this, he ran deep into a forest and eventually came across a cave.