How to model the fiction where one character is supremely badass, but rarely uses that – example being Gibbs in NCIS. He’d win every fight, but only because he almost never fights. Other exampel beign the surprise, like Abby who is surprisingly scrappy

In PDQ terms, a skill marked as offline gets a dedicated style die every session (scene?) it’s not used to be cashed in all at once. If the skill is nil (abby fighting) it still gets a good roll, and if it’s goos (gibbs fighting) it gets batman-y