Borderlands 3 The First Vault Hunter Walkthrough Guide will help you step-by-step to find your way to Typhon DeLeon and completing the mission. Borderlands 3 The First Vault Hunter The First Vault Hunter mission in BL3 opens up after completing The Great Vault mission. This is a short mission in which you will just have to go to Nekrotafeyo, kill some enemies and neet up with Typhon DeLeon. Head back to Sanctuary and go to Tannis’ and interact with the large Eridian Slab. Now you can use the analyzer to get into the Eridian Proving Grounds. Now, go to the bridge and set your destination to Nekrotafeyo. Use the drop pod to get to the planet surface and then head towards the objective marker to meet Typhon DeLeon. You’ll come to the vine wall, climb it and then melee to progress. As you get to the large door, clear the area of the animals there. Now go the marked spot and melee the vines and then press the button to reroute power. Spawn a vehicle using the Catch-A-Ride terminal and move towards the objective marker and enter the cave. Grouse greets you and then follow him. Go past the robots and meet up with Typhon. Place the Vault Keys into the slots and then Typhon will talk a bit and the mission is complete. That is all for our Borderlands 3 The First Vault Hunter Walkthrough Guide with tips on how to get to Typhon DeLeon.