Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

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At the end of your tactical action, you may move 1 structure in the space area of this or an adjacent system to the space area of a system adjacent to that structure.
The Ral Nel ConsortiumUnit – Structure – Monument

Monument

At the end of your tactical action, you may move 1 structure in the space area of this or an adjacent system to the space area of a system adjacent to that structure.

PRODUCTION 1

Placement
IndustrialCultural

Source: Monuments