Choir · structure · 3 × 2 tiles
Harbour
Unlocks the Ark

Role
Unlocks the Ark. Researches Full Ark, Dart Eyes, Swift Dart, Chime Reserve and Dampening. It requires the Aperture and must stand inside a Prism's field.
Look
A plinth with a tall alloy mooring mast at one end. Horizontal glass prisms float at different heights around the mast, like moored hulls, none touching it, and a small glass beacon crystal sits at the mast's tip.

Stats
| Cost | 300 ore · 200 gas |
|---|---|
| Build time | 37.8 s |
| Hit points | 500 |
| Ward | 500 (regenerates; +1 per Ward Tuning level) |
| Armor | 1 |
| Footprint | 3 × 2 tiles |
| Requires | Aperture |
|---|---|
| Sight | 10 tiles |
Eight facings · in-game sprite
E
NE
N
NW
W
SW
S
SENearest-neighbour enlargement of the baked sprite. The game draws units at 32 pixels per map tile.