Late special unlock after deep troop damage investment.
Consider it only after economy, research speed, storage, and replacement production are mature.
This is a late priority in the Military branch. Use it when the effect matches the next bottleneck in your current build path.
Do not rush it from a fragile mid game; the opportunity cost is too high before your base is stable.
If the choice is unclear, open the Tech Advisor and compare this node against your current goal and bottleneck.
Open Tech AdvisorThese research nodes usually support the same timing or solve the next bottleneck.