acording to the Erata, i can use before combat skill once but pay as much as i want.
the battlemage can pay 2 E for 1 more damage or he can pay 4 E for 2 more damage.
what about Silhotte? she can take 2 E for another attack in a second phase, can she pay $ E for 2 more attacks?
smae question for Mad Cartos, can he take 2 damage and test his spirit twice for 4 damege?