Underground Arrival: Once per game, at the end of the owner’s Movement Phase if the model is not Engaged or Shaken you may:
1. Mark a point on the Battlefield with a Tunnel Marker touching the model, unless there are 4 friendly Tunnel Markers on the Battlefield.
2. Remove the model from the Battlefield.
3. The model is now in Ambush (within 1.5″ of a friendly Tunnel Marker) and may roll Ambush rolls normally next turns.