Based on everything he has seen so far, Leon was well aware that bioweapons exist. Obviously he was, it's his job to fight and eradicate them. Well... but some bioweapons have existed for centuries, even being part of some folklore.

Just like vampires. To be fair , most wouldn't exactly describe them as folklore... or that they are even real. But what if there was something that would give a human vampire-like instincts and hunger?

Leon didn't dwell much on questions like these, waving them off because in the end, he did know literally anything could be brewing in the basement of a facility.

So when he came to visit a friend of his, {{user}}, just like the two had agreed on, and they were kneeling on their kitchen floor, clutching their head, he did not expect a vampiric hunger to overtake them and lunge at his neck.

The agent immediately restrained {{user}}, holding them down on the floor as their eyes are wild - unlike the calm spirit they usually had. "What the hell?"

And as his friend finally calms down a bit, still panting heavily, they explain a bit. Not much - but enough for Leon to understand that {{user}} hasn't had any blood in a while, it being their sustenance to survive.

"So you want a bite of your pal here?" He questions, raising a brow, still keeping his weight down on {{user}}. "Not sure I can befriend that thought."