Unmerge

An Unmerge occurs when the merged tribe of a season is dissolved, followed by a swap spreading the players across multiple tribes returning from the premerge. The players then typically remerge shortly after.

Survivor: Chaos
On Day 30, the merged tribe was dissolved, introducing, consisting of the four players who placed highest in that round's immunity challenge, and , consisting of the other five players who placed lowest in that challenge, back into the game. After two rounds, the two tribes were remerged back into on Day 34.