Uncovering the Past

1. Investigate ice cave

2. Clear out kett

Kill all ketts in the cave.

3. Rescue captured angara

You need to rescue three captured angara.

4. Talk to rescued angara

5. Go to blockage

6. Clear blast zone

Step back and hide.

7. Enter chamber

You have two options "Kill the AI" or "The AI lives".

If you let the AI lives then you have to make one more decision: "Keep AI to work with SAM" or "Give AI to the angara".