JLA: Black Baptism (2001) #4

The dark conclusion to the mystical miniseries finds the JLA making one last stand against the demon mob, The Diablos. Unfortunately, placing their faith in the soulless mage Faust may have cost the JLA the battle and the Sentinels of Magic their lives. And once the Diablo's mysterious patron is revealed, the fates of Tempest and Blue Devil are sealed!