Tess with her Kryptonite knuckle

A Kryptonite knuckle is a brass knuckle laced with Kryptonite.

Season Nine

Tess using the kryptonite knuckle on Zod.

When Tess Mercer confronts Zod at the Fortress of Solitude, she used one pair of Kryptonite knuckle in an attempt to prevent Zod from ruling Earth in tyranny like he had in that alternate future she had witnessed. She begins to beat him severely until Zod managed to get a safe distance away from the kryptonite knuckle's radiation and launches a counter attack against her for her treachery by incinerating half her face and body with his heat vision leaving her their to die until she was found and rescued by Clark Kent.


Kryptonite in Smallville
Types Natural: GreenRedBlueGold kryptonite • Processed: BlackSilverGemstoneClear kryptonite
Effects Meteor infectionPsychosisMeteor freaks
Objects BulletCageHandcuffsHeartKeyRingNecklaceVictory ring
Other KryptonMeteor showers (1989, 2005) • Lead (box) • Appearances of Green K (usages)
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