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

Shroud of Lith

After movement, if the active system contains 1 or more of your non-fighter ships, you may place up to 2 of your captured ships and 2 of your captured ground forces from your faction sheet in that system's space area.
Kollecc SocietyFaction ability

After movement, if the active system contains 1 or more of your non-fighter ships, you may place up to 2 of your captured ships and 2 of your captured ground forces from your faction sheet in that system's space area.

Source: Discordant Stars