A Multi-Attack is an attempt to attack more than one target in the same phase. It’s resolved with a single Dice Action. The OV of the Action Check is the highest OV among the defenders, modified by the corresponding number of Column Shifts in the handy table below. The RV of the attack is the highest RV among the defenders, also modified by the same corresponding number of Column Shifts in the handy table below.
published by Mayfair Games in 1993.
Opposing Value Column Shifts
Resistance Value Column Shifts