their brutal fight when Superman was poisoned with silver kryptonite by Rhea, hallucinating and thinking that he was fighting against General Zod. Kal-El then enters database to find a way to stop Daxamite war and finds it in the form of fighting ritual called Dakkar-Ur. The Fortress also appears in season four episodes where Nia Mal uses this place for her training. In the fifth season episode "Tremors", Kara and Lena go to the Fortress to find one of the Luthor's confiscated weapons to deal with alien being Rama-Khan, who comes to challenge Supergirl and Lena before he is defeated and escapes. Lena takes Myriad, revealing that she used Supergirl to get it and traps her in reprogrammed protocol defense while she escapes with transmatter portal in Lex's hideout Mount Norquay. In "Deus Lex Machina", Supergirl uses Myriad in Fortress to find the people who are stuck in virtual reality, but is incapacitated by Sun-Eater, which is released by Morae, an Leviathan operative who infiltrated under the orders from Lex Luthor. Morae is later captured by Supergirl and her friends. Lex later comes into the Fortress by using transmatter portal when finding its coordinates. It is later revealed in "The Missing Link" that he stole rings for Rama Khan in order to kill Supergirl. Superman & Lois In the Superman & Lois episode "Pilot", Clark reveals that he brought Jonathan to check if Jonathan had superhuman abilities after showing some natural talent for sports. The Fortress's tests said it was unlikely however. In the episode "Heritage", Clark had brought Jordan to the Fortress after he manifested some abilities and wished to test for more information. However the A.I of Jor-El concluded that Jordan's powers were a result of brief flare ups and that his human DNA would limit him. Clark tells Lois that he is taking Jordan to the Fortress, when Jordan's powers flare uncontrollably. The A.I. tells Clark that Jordan will feel pain until he learns to control his super hearing. In the episode "Loyal Subjekts", Clark reveals, at some point, he was exposed to so much Kryptonite that he needed to go to the Fortress to be healed by having it burned from his system and since Jordan's lungs were freezing due to second-hand exposure to the synthetic kryptonite of Project 7734, Clark brought Jordan to the Fortress to be healed. There, Jor-El A.I. told Clark that it