Step 1: obtain four DVALIN Fusion Rifles. Step 2: Complete “The First Firewall” Mission.. The mission will simply appear on Earth in the navigator.. Step 3: the Curious Transceiver relic that drops from defeating the boss. Go to your inventory and put the passcode. Passcode: 1st - Up, Down, Up Up, Down, Down, Down, Up, Down 2nd - Up, Down, Up, Up, Down, Down, Up, Up 3rd - Up, Down, Down, Down, Up, Down, Down, Down, Up, Up 4th - Up, Down, Up, Down, up, Down, Up, Up The Curious Transceiver relic unlocks a new mission titled “Shadow Call.” This is essentially the same as the “Cayde’s Stash” mission, but starting a little bit further in. This is a timed mission. Finished before 4 mins. **You will need to rush past all of the enemies and make your way up to the top of the level and take the teleporter to the final room.** Competing this mission on time gives you the IKELOS Fusion Core. Step 5: There are five nodes in the IKELOS Fusion Core. They are bunch of pain in the ass mission especially warsat in Mars! - Complete the “Archive” mission on Venus at any difficulty level. - (EASY) Dismantle any Legendary or Exotic Heavy Weapon. - Complete a “Defend the Warsat” public event on Earth. The “Fallen SABER” Strike does not count. -Complete a “Defend the Warsat” public event on the Moon. -(HARD and a Pain in the ass) Complete a “Defend the Warsat” public event on Mars. Step 6: after finishing all those activities.. Go to gunsmith and wait til armsday..