Lost Lament
Acquire and complete the listed quests from Commander Zavala and Variks to prove yourself to the Clovis AI and continue on with "Lost Lament."
"I know you desire the blade. But you can't have it just yet. I'll need a few tasks completed first. It's been a while since I've been… awake. And now this alien race you call "Fallen" infest MY colony. They must be dealt with in short order. See to it." —Clovis AI