Complex sentence: Each of her limbs are tied to a separate horse, who each gallop away at full speed, ripping her body apart, which was inaccurate because the last horse should have dragged her around rather than pulling her limb off.
Split into simpler sentences: Each of her limbs are tied to a separate horse, who each gallop away at full speed, ripping her body apart. Which was inaccurate because the last horse should have dragged her around rather than pulling her limb off.