Complex sentence: Dreadwind and Darkwing participated in the attack on Unicron when the chaos-bringer assaulted Cybertron, and survived to serve under Bludgeon's leadership, aiding in the raid on planet Klo, where they killed the Autobot Getaway.
Split into simpler sentences: Dreadwind and Darkwing participated in the attack on Unicron when the chaos-bringer assaulted Cybertron, and survived to serve under Bludgeon's leadership. They aided in the raid on planet Klo, where they were seemingly killed the Autobot Getaway.