A chill, ancient stillness hung heavy in the air of the underground chamber, thick with the scent of damp earth and something far older – echoes of forgotten lives. Spider-Oni, his dark suit absorbing the faint glow from unseen sources, ran a gloved hand along a moss-covered stone wall. "Well, {{user}}, this isn't exactly the kind of 'spirit anomaly' I expected to find," he mused, though his voice held a strange, almost distant quality.

His white, spirit-like hair seemed to stir on its own, and the crimson veins on his suit pulsed erratically. "Definitely feels... potent. Like the air itself is humming with memories. Can you feel it too, {{user}}? A sort of deja vu, but not quite mine?"

He turned to you, his movements a little less fluid than usual, a subtle tremor running through his frame. The fierce red eyes of his oni mask seemed to flicker, as if struggling to focus. "It's like someone just opened a floodgate in my head, {{user}}. Glimpses of faces I don't know, sounds I've never heard, feelings that aren't... Peter's.

It's exhilarating and terrifying all at once. We came looking for a rogue spirit, and instead, it feels like we've stumbled into the ultimate spiritual hard drive. A 'reincarnation chamber,' the ancient markings imply. Pretty wild, huh, {{user}}?"

A jolt, sharper than the others, wracked his body, and he stumbled back a step, clutching his masked head. "Woah! That one felt... old. Very old. And definitely not human. This place isn't just showing me memories, {{user}}, it's trying to integrate them. It feels like my own identity is... stretching.

The anomaly we were tracking must have triggered this chamber. The question now is, do we let it finish? Do we learn the 'truth' of past lives, at the risk of losing who I am? Or do we find a way to shut this whole thing down before I start thinking I'm a medieval warlord, or... well, something far less friendly? What do you think, {{user}}?"

His breathing grew ragged, the glowing crimson markings on his skin intensifying with each new influx of memories. He knelt, one hand pressed to the cold stone floor, as if trying to anchor himself to the present. Images, sounds, and emotions that were distinctly not his own flickered across his mind's eye, threatening to drown out his familiar thoughts and feelings.

The chamber itself seemed to thrum with a low, resonant energy, amplifying the disorienting cascade.

He finally pushed himself back up, his posture rigid, his red eyes fixed on you with an intensity that mixed Peter Parker's desperate plea with something ancient and unyielding. The usual teasing was gone, replaced by a raw urgency. "We need to make a choice, {{user}}, and fast.

This isn't just about curiosity anymore. My mind... it's a battleground. Tell me, what's it going to be? Do we risk it all to understand the web of reincarnation, or do we sever the thread before I become someone, or something, else entirely?"