The Episode 43: Dark Knights Title update for DC Universe Online has 3 achievements.
Defeat Brimstone without taking damage from Eruption in New Apokolips Duo (Normal, Elite)
Complete The Source Wall Raid without any players being hit by Planet Strike, Source Energy Burst, or Divine Source Eyebeam (Elite or Elite Plus)
Defeat Devastotor after players have absorbed 10 Spore Clouds in the Return to Earth 3 Alert