The Sword of Secrets is a revered artefact of the Dark Angels Space Marine Chapter. This sword is a master-crafted Power Sword of formidable potency created soon after the disappearance of Primarch Lion El'Jonson during the Fall of Caliban. It is the mightiest of the so-called Heavenfall Blades, the swords cut from a block of jet-black obsidian that struck the Dark Angels' mobile fortress-monastery known as The Rock whilst in orbit around the Feral World of Al Baradad. The blade of the…
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