Eclipso

Eclipso is one of DC Comics' most ancient and terrifying villains — a being of divine wrath who predates humanity itself. Originally known as Kaala or Galid, Eclipso served as God's Angel of Wrath before being replaced by the Spectre and cast down as a punishment. Rather than a simple supervillain, Eclipso represents a corrupted cosmic force, making him one of the most conceptually rich antagonists in DC's mythology. His first appearance in House of Secrets #61 (1963) is a landmark Bronze Age key — a relatively obscure gem that serious DC collectors actively hunt, particularly as Eclipso's profile has grown through major modern storylines.

For decades, Eclipso was presented as a split-personality curse afflicting scientist Bruce Gordon, trapped within a mysterious black diamond called the Heart of Darkness. This possession gimmick defined his Silver and Bronze Age appearances and made him a recurring threat across anthology horror titles. Everything changed in the 1992 crossover event Eclipso: The Darkness Within, which radically reframed the character as a world-conquering menace capable of possessing thousands of victims simultaneously. That storyline ran through annuals across virtually the entire DC line and launched the Eclipso ongoing series, making it one of the most ambitious DC events of its era and a prime collection target for crossover completionists.

Eclipso's host history is a collector's checklist in itself. His possession of Alex Montez during the JSA era, and later Jean Loring following Identity Crisis, kept the character relevant through the 2000s. The Black Reign and Black Vengeance arcs in JSA cemented his status as a serious threat to DC's legacy heroes. His connections to the House of Onyx, the Heart of Darkness black diamonds, and his recurring clashes with the Spectre place him at the intersection of DC's cosmic and supernatural corners, meaning his key issues bleed across multiple eras and titles.

For collectors, Eclipso represents tremendous upside. House of Secrets #61 remains an undervalued Silver Age key ripe for rediscovery, and the 1992 annuals crossover set rewards patient hunters willing to track down every chapter. As DC continues to mine its supernatural mythology for films and television, Eclipso's unique origin as a fallen divine entity gives him adaptation potential that few legacy villains can match. Building an Eclipso run now — from his Silver Age debut through his JSA appearances — is exactly the kind of deep-cut collection that defines serious DC scholarship.