[ The thing about Darkness is that it has a drive to consume. Vanitas isn't all that different, even if he is more complicated than it would be at it's most base essence. Vanitas' Unversed are pure in their darkness, too, and even though they aren't as developed, as evolved, Vanitas shares their hunger.
Riku is immune to it, they said. Immune to the influence, and so he could no longer be a viable vessel. But there lies the difference— his acceptance of his darkness means he can handle much more of it, without devolving into the senseless creatures so many other beings become. It's like filling up a bottomless well, and just like his confrontations with the likes of Sora and Ventus, Vanitas is struck with the want to devour. His Light shines stronger the more shadow he is wrapped up in. It would be easy for Vanitas to get lost in his most basic instinct to cleave to that light, the tantalizing promise of being whole.
His grip tightens abruptly when Riku flinches, enough that Vanitas can feel his heartbeat on both sides of his throat. Like a shark scenting blood in the water, for just a second it overwhelms him. Darkness floods out of him like a broken dam, smudging Vanitas' edges and surging into Riku— rushing into the healing injury of his throat and racing through his body, reaching for every sliced muscle and overworked tendon, barely healed cuts that haven't had the chance to properly scab over. ]
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Riku is immune to it, they said. Immune to the influence, and so he could no longer be a viable vessel. But there lies the difference— his acceptance of his darkness means he can handle much more of it, without devolving into the senseless creatures so many other beings become. It's like filling up a bottomless well, and just like his confrontations with the likes of Sora and Ventus, Vanitas is struck with the want to devour. His Light shines stronger the more shadow he is wrapped up in. It would be easy for Vanitas to get lost in his most basic instinct to cleave to that light, the tantalizing promise of being whole.
His grip tightens abruptly when Riku flinches, enough that Vanitas can feel his heartbeat on both sides of his throat. Like a shark scenting blood in the water, for just a second it overwhelms him. Darkness floods out of him like a broken dam, smudging Vanitas' edges and surging into Riku— rushing into the healing injury of his throat and racing through his body, reaching for every sliced muscle and overworked tendon, barely healed cuts that haven't had the chance to properly scab over. ]