|This secret passage allows Heroes to enter and leave the town without using the gates!|
|Sub Category||Portal Lock|
|Parent building||Portal Lock|
|Action Points cost||24|
Back in old, barbarian times, Heroes had to depend on the town's gates to move between it and the World Beyond, which put them on par with commoners. This ingenious system of narrow concealed tunnels doesn't do much to freshen the air, but allows heroes to have their own private way around town!
- Tamers' Three-legged Labradoodles cannot use the to return items to Ventilation SystemTown. The Town Gates must be open.
- The Watchtower's teleport does not work if the gate is closed, even with the built. Ventilation System
- Using the will negate the 1 Ventilation System cost of entering the town with the Labyrinth built.
- In Season 6: