Serpulo Structure Mastery

Serpulo Structure Mastery is a progression achievement in Mindustry (canonical name: Serpulo Structure Mastery) that represents a milestone within the game's achievement system tied to the Serpulo thematic set; it is listed as an achievement category entry and functions as part of player progression tracking rather than as a buildable item or unit. The entry identifies a progression goal associated with Serpulo content and is intended to be displayed in the game's achievements interface.