Sirene Primer+Free Or Non Actions+Tension_Abilities+Second_Chance_2

The striker can reroll a saving throw after the result has been revealed, although she must accept the result of the reroll, even if it is worse.

 

Lucky Chance (Ex)

The striker reduces the tension needed for her second chance tension technique by 1. Also she can spend an additional tension while using this tension technique to gain a bonus on the reroll equal to her Charisma modifier.