"Eclipso: The Darkness Within" was a 1992 comic book mini-series and crossover storyline published by DC Comics. It featured the heroes of the DC Universe fighting against Eclipso. Issue #1 debuted July 1992, and was created and co-plotted by Robert Loren Fleming and Keith Giffen. Keith Giffen also did pencil layouts for the series, and Bart Sears provided the finished artwork.