Hi Kenneth.
Since the Scorpio has +1 to it’s Ranged characteristic you’ll need a 5 or 6 just to hit with 1 D6. It also has the “Smasher” rule so it cannot be parried. So, when your opponent has to roll for their armour check they have to roll a 6 (unless in the rare instance that they have +4 armour your Lethal 3 makes their armour +1). It’s Lethal 3 negates up to +3 armour like chainmail, cuirass, etc., and if successful will cause 3 wounds (this could be 3 casualties or 3 wounds to a hero, cavalry units, etc.).
Does that help?
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