Under certain conditions the deadliness of a weapon can change, most commonly from a single handed or dual handed grip, but also from some techniques.
When duelling, a finishing blow doubles the deadliness of the weapon, how does, this interact with the bonuses.
For example, a Kakita duelist strikes a finishing blow against his opponent, scoring one bonus success.
His katana has deadliness 5, with +2 for a 2 handed grip. His Way of the Crane also allows him to adjust the severity of the critical strike.
When doubling the deadlines of the katana, are we doubling 5 to 10 and then adding +2 for the two handed grip, or doubling 7?
When adding in the bonuses is the hit severity 14 or 16?