Hell Knight: Hell Knights attack in four ways. They can manifest balls of plasma which they throw, perform the aforementioned backhand-slap, a downward slashing motion with their claws or by a vicious bite. Their tremendous endurance allows them to survive even the most powerful weapons at least once, including the BFG 9000 unless charged up for a more powerful blast. The Hell Knight also appeared in the expansion pack, Resurrection of Evil. However, its place as the second strongest non-boss enemy was dethroned by the fearsome Bruiser