[ Lea laughs aloud at the suggestion of people uniting to fight them, slapping a hand to the side of his face. ]

Do you think they didn't? If you can't do any magic and you don't have a weapon with even basic enchantments, you can't touch them. Even if you kill one, unless you're a Keyblade user, you've only temporarily destroyed it; it'll be back. Physical barriers mean nothing to them.

[ He exhales a long sigh, a cloud of steam in the cold air. ]

And it's not like some orderly invasion. We're not talking, like, about a war. More like an infestation. A disease. Those things just swarm and swarm and steal the hearts of anyone who gets in their way.

They catch you, you become one of them.

[ Even though Lea's posture is casual, his voice matter-of-fact, his eyes are distant, veiled. ]