 In the season eight episodes " Instinct " and " Bloodline " , Tess learns about Krypton and the name " Kal @-@ El " , though she does not attribute any of the information directly to Clark . In " Bulletproof " , it is revealed that Tess knows where Lex is . Here , Lana informs Tess that Lex surgically implanted a nano @-@ transmitter into Tess 's optic nerve so that he could keep an eye on everything she is doing . Visibly upset by this , Tess places a jamming device into her necklace to disrupt the signal , but not before telling Lex that she will cut him off from the outside world and sell off everything that he owns . In the episode " Requiem " , it is revealed that Tess sold controlling interest in LuthorCorp to Queen Industries . In " Turbulence " , Tess tries to get Clark to reveal his powers after she read one of Lionel Luthor 's journals that identified Clark as " The Traveler " , but her effort failed . In the episode " Eternal " , it is shown that Tess has the Kryptonian orb that brought down the Fortress of Solitude , and in " Injustice " a disembodied voice emanates from the orb revealing that Tess 's recent actions to get Clark to reveal his powers and kill Doomsday are because the voice was instructing her to do so . In the season eight finale , the orb activates itself and transports Zod to Smallville . 
