Batman: Legends of the Dark Knight — DC Comics
Issue: #90
Last valuation update: 2025-12-03
"Clay" part 2. Desperate for more power, Matthew Hagen bathes in the mysterious clay pool to revitalize his fading abilities and goes mad! Nearly killed in their first battle, the Dark Knight must make a final attempt to stop Clayface or die trying.
Creators: Alan Grant, Archie Goodwin, Enrique Quique Alcatena
Characters: Batman, Alfred Pennyworth, Clayface (Hagen), Boss Xylas
Story arcs: Clay