Notable for its Complex Use of Color by an Unknown Colorist
Issue six of Kull the Conqueror is one of the best issues yet, featuring a great Lovecraftian type monster.
The story opens with Kull being rescued from a bear by a wandering fighter named Zarkus. While they are celebrating the victory, the Valusian librarian, Malakar, comes to Kull with scrolls that reveal a city beneath Valusia, and proposes an expedition.
Kull's advisor Tu, vehemently objects to any such expedition, citing ancient legends of poisoned waters and a "horror beyond description". Kull, however, does not outright reject the plan stating, "Give me a reason to endanger my men, and I'll consider your plan."
Later that night, Zarkus visits Malakar, and demands payment for him to keep quiet about Malakar's "other scrolls".
This is quite the setup, plenty of intrigue, and the introduction of some great characters (even though it seems unlikely they'll survive for long).
The Severins' art is also in top form, and in particular, whoever the uncredited colorist is (probably Marie Severin), deserves special mention. At a time when colors were generally used simply to give objects color, the colorist on Kull used color in ways to show mood, atmospheric perspective and other subtleties of depth and setting.
Kull #6 is one of the best examples of early Bronze Age sword and sorcery comics.