Why players ally
TheGamesEdge recommends alliances so you are not fighting two borders while your income is still small. That matches the win condition: you need land, and a quiet border lets you take empty tiles first.
Breaking one
AllThingsHow reports a 30-second TRAITOR period with attacks on the betrayer costing half the usual troops. Its second article repeats this, so it remains one publisher. This is a reported vulnerability period, not evidence of an action lock. Checked 27 October 2026.
Editorial advice: avoid breaking an alliance while exposed to several opponents. No exact safe timing or shared-victory rule is established by the reviewed sources.
Source review: 27 October 2026. This page summarizes the linked public record; source-specific limits and historical observations are identified below.