Complex sentence: Dawes has also been on the Island since five years and becomes again Frere's target, who is resolved to break his opponent's spirit and finally succeeds after inflicting punishment upon punishment on him for several weeks.
Split into simpler sentences: Dawes has also been on the Island for five years and again becomes Frere's target. Frere is resolved to break his opponent's spirit and finally succeeds after inflicting punishment upon punishment on him for several weeks.