Citrinitas, the forgotten NPC

Nigredo, Albedo, Citrinitas and Rubedo were the four stages of the Magnum Opus. While most believed that Tabula only created three NPCs, skipping Citrinitas like many writers after the 15th century. But what if this mysterious NPC actually existed? What if this NPC was transported to the New World? How would she interact with this new environment? And is she truly alone?