You need to defeat the shaders! Go talk to Bug Hunters afterwards.
Quick Walkthrough Edit
- Return to the bug hunters
- Kill the shaders [0/2]
Quest Dialogue Edit
Stef Sahar: "Kill any of those damn creatures that you find."
After finding the second Survivor:
"Ugh... I'm not going to make it, it seems... Did you find Kunohara?
- 378 exp
- 64 bits
- Mouth mask