Qsu'Kilik

Crystalline spheres swirl about the maws, winding around the demiplane's grotesque pseudo-tongue in an elaborate, migraine-inducing cryptocosine sequence. "Just making a few adjustments...hold on a secnd..." A pair of portal-maws open up on either side of the demiplane, each one a sickly, vitriolic yellow. There is the briefest sound of screaming as something flies out one of the portals–those of you with supranormal sight are able to distinguish it as a small human child, clad in rags and screaming violently. Within seconds, it flies into the opposite maw, which seals shut with a satisfied slurp. As the World Beyond Worlds devours, for the twenty-three thousand seven hundred and sixth time, the orphan child that sustains its perpetual energy loop, countless more portal maws open along the walls, each one displaying a different scene.

"All right, calibrated and charged. Now it's just a scry and die. So, when do you want to go? A year ago? Ten? Fifty? Assuming a mortal lifespan, even with that shapeshifting schtick of his, he shouldn't be any older than a century, I guess. We've got a portal to any time in the past hundred years that you want."