So finally we're able to get our hands on Destiny's most elusive weapon. Follow these simple steps.
Want to get your hands on Destiny's Sleeper Simulant? This is how.
The First Firewall
Go the to Cosmodrome and complete the quest The First Firewall. You'll then receive the Curious Transceiver for your troubles.
How to decode the Curious Transceiver
Enter the code sequence in the Curious Transceiver as shown in the video above. Once you've entered the codes correctly you'll be given a new quest, asking you to speed run Cayde's tower in under four minutes.
Completing this will give you the Ikelos Fusion Core.
How to repair the Ikelos Fusion Core
To repair the Ikelo Fusion Core you'll need to do the following; complete the Archive mission on Venus, dismantle a heavy weapon (any will do), and complete the Warsat defense Public Events on Earth, the Moon and Mars.
Now hand the Core in to Banshee in the Tower.
The Sleeper Stirs
You can now get The Sleeper Stirs quest from Banshee. You have to defeat the Fallen SABER Strike at light level 280. You will be rewarded with the Sleeper Simulant Weapon Frame.
Turn this in to Banshee in the Tower and he will reward you with the Sleeper Simulant. It's an Exotic Fusion Rifle with 290 Attack. It laser cuts through enemies and ricochets off hard surfaces. Have fun with that.
Thanks to TheJoker26 for the tips and image