Most vampires in the Castlevania series are European in depiction, which makes sense considering that Castle Dracula resides in Wallachia, an Eastern European principality in what would eventually become Romania. The vampires of the series are pale and white and obviously were natives of the surrounding region before their invitation into undeath. But then, most characters in the series, hero of villain, follow that same template, and the series itself largely draws from European folklore for its various monsters (Shaft, for a while, being the sole exception).

With the introduction of the Council of Sisters in season three of the Netflix series, though, Castlevania added another non-European character to its menagerie. Due to her style of dress, as well as her darker skin tone, the implication is that Morana originally hailed from the Middle Eastern (or even African) region of the larger combined continent. Her personality is like that of her sisters, but her skin tone alone sets her apart in a very pale, and rather homogeneous, collection of vampires and fiends.

On the Council Morana serves as the chief strategist, negotiating deals and working behind the scenes to administrate the functions of the kingdom the Council rules. She's not a warrior like her sister (and lover), Striga, but she's considered an equal member of the Council due to her fast and effective mind.

Character History:

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Morana, along with sisters Striga and Lenore, was at the castle when Carmilla returned from her abortive attempt to steal Dracula's power (at the end of season two). After her (petulant and angry) sister had her captured Devil Forgemaster, Hector, thrown in prison to make him more pliable, Carmilla met with her sisters in the Council Room to discuss her next plan:

The plan was both simple in its audacity but complex to pull off: with Dracula's power having been removed, but an army having trudged its way to his lands in Wallachia and then back, that left a long stretch of kingdom just waiting for someone to take it over, and Carmilla wanted to fill that void. All it would take was an army of monsters (the devils that Hector could forge) and fortifications along the borders and the vampires would have a land full of penned in humans to rule. The only problem was that Carmilla had beaten the only one who could make that army and, having thrown in naked in prison, given nothing but rotted food to eat, hector was in no mood to create this army. And even if he did create it, the devils are loyal to the person that made them and hector now felt no loyalty to Carmilla.

While Lenore went off to work on Hector, attempting to find a way to bring him over as an ally, Morana took a different tack. She assumed that Hector would never work with them so she tried to think about how else they could achieve their goal of a vampiric kingdom. That's when she hit upon the idea of hiring mercenaries. The surrounding lands were already populated with mercs as they worked for those kings and princes in defending their realms. Morana simply offered them more money to come over to the side of the Council, and suddenly she had her army.

She needn't have worried, though, as Lenore had her own crafty plan. She'd made Hector fall in love with her and, in a moment of passion, she'd had him pledge his undying loyalty to her. While he did this she'd secretly put an enslavement ring on him, which bound him to her as well as anyone else with one of the rings. These she gave out to her sisters, making him loyal to each of them as well.

The vampires had everything they wanted: an army of men, a second army of monsters ready to be forged, and a Devil Forgemaster at their beck and call. The vampires could organize their conquest, with Striga leading and Morana handling the business of rule.

With the war declared, Morana and Striga went to the front lines, guiding the troops under Striga's command while Morana plotted the politics and managed resources. They were an effective team, slowly (by inch and by blood) pushing the front-line further and further across the countryside. But an attack on their camp shed a different light on the war. When Striga went out to face off against the attacker (while Morana hid in the camp, as she was not a fighter) the warrioress found not a well-trained army but simple farmers and peasants fighting for their lives so they didn't have to live under the boots of vampires. Reporting back on this (once the farmers were all dead), the two vampires came to a realization: they wouldn't simply have to defeat the country but constantly occupy it, always fighting the people and never once getting any rest or peace.

It was at that moment that Morana ad Striga decided to head home, calling off the war because there was no way to win in. They made the long trek home instead, only to arrive and find that war had come for Carmilla: Isaac and his army of Innocent Devils had arrived ahead of Morana and Striga and they had already overrun the castle. Assuming their sisters were dead (or soon to be), Morana and Striga elected to fade away, finding a new place to set up, just the two of them, with less lofty goals so the could enjoy immortality together.