Complex sentence: Warren, who is slowly dying from his groin wound, persuades Mannix to hang her from the rafters in honor of Ruth; the two watch as she slowly dies from strangulation.
Split into simpler sentences: Warren, who is slowly dying from his groin wound, persuades Mannix to hang her from the rafters in honor of Ruth. Although gravely wounded, the two raise her with rope around her neck and watch as she slowly dies from strangulation.