Here is the full list of all 30 EMPYRE: Earls of the Deep Earth achievements.
You finished Chapter 1
You finished Chapter 1 on Hard difficulty
You finished Chapter 2
You finished Chapter 2 on Hard difficulty
You finished Chapter 3
You finished Chapter 3 on Hard difficulty
You finished Chapter 4
You finished Chapter 4 on Hard difficulty
You finished Chapter 5
You finished Chapter 5 on Hard difficulty
You finished Chapter 6
You finished Chapter 6 on Hard difficulty
You finished Chapter 7
You finished Chapter 7 on Hard difficulty
You finished Chapter 8
You finished Chapter 8 on Hard difficulty
You finished Act 1
You finished Act 1 on Hard difficulty
You finished Chapter 9
You finished Chapter 9 on Hard difficulty
You finished Chapter 10
You finished Chapter 10 on Hard difficulty
You finished Chapter 11
You finished Chapter 11 on Hard difficulty
You finished Chapter 12
You finished Chapter 12 on Hard difficulty
You finished Act 2
You finished Act 2 on Hard difficulty
You finished the Campaign
You finished the Campaign on Hard difficulty