After enough flights, colonies can unite into a supercolony. Unions earn Unity for a tree of large, lasting bonuses.
Unity tree
| Node | Cost | Max rank | Effect per rank | About |
|---|---|---|---|---|
| Federation | 1 | 10 | +25% All production | +25% to all production a rank. |
| Shared larders | 1 | 5 | +50% Storage | +50% storage a rank. |
| Brood network | 1 | 5 | +20% Population growth | +20% colony growth a rank. |
| Allied armies | 1 | 5 | +25% Combat damage | +25% soldier damage a rank. |
| Pheromone highways | 2 | 5 | See description | +25% Lineage from every flight a rank. |
| Royal court | 3 | 2 | See description | One more daughter hatches before each flight. |
| Ancestral memory | 2 | 3 | See description | Keep 10% of your Lineage points a rank when uniting. |