Build Option

The different choices you are able to make during your Turn in the Build Phase: Construct a Spire, Upgrade a Spire, Earthscape (and optionally construct), Advance Your Fortress, plus other build options granted by relics/events/advancements. See also: Earthscape, Fortress – Fortress Advancement, Influence, Limited Build Option, Spire – Spire Construction, Spire – Spire Upgrades