Would you like a to “open” this portal in a real-life creative writing or meditation exercise? Or a monster/NPC stat block for the Custodian?

Elena was the principal broker of Seguros Elena S.L. , a family business she had taken over from her father. While she was an expert in risk assessment and policy underwriting, technology was not her strong suit. The government’s transition to the digital platform—the Portal de Mediadores—had been announced as a way to streamline supervision, but to Elena, it felt like a labyrinth.

Never look back through the portal after crossing. What looks back will not be your reflection, but a version of you who never entered—and it will try to pull you into its own twilight.

She locked up the office and stepped out into the rain. The stress was gone, replaced by a quiet confidence. She pulled out her phone and sent a text to Mateo:

To enter, something must leave. Not an object—a certainty. You will forget one thing you knew absolutely, and gain a doubt in its place.

"The portal worked. See you tomorrow. And remind me to sign the new commission statements digitally before lunch."

The rain was drumming a relentless rhythm against the window of the small insurance brokerage in downtown Madrid. Elena rubbed her temples, staring at the stack of files on her desk. It was 11:00 PM, and the deadline for the annual compliance audit was looming.

At 11:28 PM, the screen refreshed. A green banner appeared at the top of the page: