Voltron #4

Past and present collide as the scope of King Zarkon's terrible plan unfolds, revealing just what forced him to leave Earth so long ago in search of absolute revenge. Only the ghost of a friend long lost can convince him to turn away from Doom and honor the sacrifices once made on his behalf. Time is running out for everyone, as the Voltron Force storms the castle in their most dangerous rescue mission yet. Generation Voltron goes penultimate, everything coming together one last time before coming apart all over again...