Knack noun – A clever often underhanded means to achieve an end. Strength and knack are semantically related in ability topic. In some cases you can use "Strength" instead a noun "Knack". Nearby Words: knacker, knackery
The first is a 6 feet tall warrior with a knack for making clocks and one of the few charas with lots of common sense in this world, the second is a cheerful Genius Ditz with Super Strength, and the third is a rather unstable brute with a knack in computer hacking.
Anything the character empowers through this knack while it remains in their hands ignores the effects of the user's Epic Strength allowing for fun feats like beating giants to death with trash can lids, impaling monsters with pool cues, and the like.