Demiplane supply post

[Gordrenn Higgler]

Thoughts and opinions

Farm for remote locations on the Prime material plane anywhere without a gate or other noticeable manifestation

--- [Location]

x1 Permanent Demiplane with Bountiful trait

--- [Simulacrum] (assumed to be based off more advanced versions so as to at least retain basic creature abilities)

x1 Xill CR6
x1 Shaitan Genie CR7 (to create/maintain housing and guard duty)
x1+ Mercane CR5
x1 Succubus (Optional communication to Xill via Telepathic Bond and ability to Ethereal Jaunt at will/Also can periodically visit demiplane to maintain control over workers)

--- [Other residents]

x1+ Slaves/constructs/workers etc

---[Additional spells]

x1 Permanent Teleportation Circle
x1 Permanent Telepathic Bond

--- [Concept]

1. Workers/slaves collect food on demiplane (preferably into totes shaped to be inserted into Mercane secret chests for easy loading and unloading)
2. Mercane fill secret chests with collected food then sends secret chest to ethereal.
3. Xill uses Planewalk ability to move Mercane from demiplane to ethereal and then to the prime.
4. Mercane step on a Permanent Teleportation Circle that teleports to a storage room wherever.
5. Mercane calls and unloads secret chest in storage room.
6. Mercane uses Plane Shift to go back to Demiplane
7. Repeat sequence once per day.

--- [Notes]

*** Xill can be left on ethereal with Permanent Telepathic Bond to a simulacrum succubus or other creature that can Ethereal Jaunt at will on the prime to send and receive instructions to the demiplane.

*** Mercane could carry food themselves to increase amount transported, or not, if maintaining the illusion of power over the slaves is a concern.

*** If more is needed to be transported then multiple Mercane could share Plane Shifts for extra jumps back home

*** Location Mercane teleport to via Teleportation Circle could bring them to a secret room and they just use Dimension Door to final destination.

*** Final storage location could contain Crates of Preservation (Villain Codex) so a surplus could be maintained to less transports are needed.

*** Mercane can use Invisibility (self) if needed at different transport locations.

[Limas Venomscale]

If you include other planes you could use Planar Refuge from Heroes of the Wild, it can be made permanent, it's basically an area on a plane that's received the bountiful trait and any food takes on traits of the plane it was created on, so you could sell it as exotic from some mysterious place

[Limas Venomscale]

Ring gates could be useful too

If you have an creature that can summon monster (with a long enough duration that they'll last long enough to transport whatever) on the demiplane then you could have them instead of the mercane, and when the spell expires they disappear, just summon as needed
Since teleport can work on a creature carrying up to its maximum load just summon the biggest available for largest transport capacity