At the end of any friendly Movement Phase after the first, the bearer may remove a single friendly Tunnel Marker within 24″ of it. If so, apply the following effects before removing the Tunnel Marker:
• Each unengaged unit within 4″ of the Tunnel Marker suffers 2D6 hits with Str 4 and AP 1.
• If one or more units that are Engaged in the same Combat are within 4″ of the Tunnel Marker, a total of 2D6 hits with Str 4 and AP 1 is inflicted.
Roll a D6 for each hit: on a roll of 4+, the hit is distributed onto a randomly chosen friendly unit;
otherwise, the hit is distributed onto a randomly chosen enemy unit.