Kryptonite

Kryptonite is a radioactive mineral that when exposed to, can weaken and eventually kill Kryptonians.

History

Before being released by Conner, Krypto was trapped in a kryptonite cage.^[1]

Mercy Graves used kryptonite bullets to try to kill Conner and a kryptonite collar to trap Krypto.^[2][3]

Appearances

Season 1

• "Dick Grayson"

Season 2

• "Conner"
• "Bruce Wayne"

References