The Citadel

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The Citadel is the Hallow Heart's high command. A single towering monolith that exists in different iterations in every multiverse, they are rooted in each home world's sacred layline. Existing since the first sunrise on each planet, these unnatural structures have served as the Hallow Heart high command where every member of the sacred organization calls home. Hallow Heart lore states that these monoliths were birthed where Diego Lightbringer was martyred, his blood calling forth these structures.