Here is the full list of all 27 Highlands achievements.
Craft 100 items.
Raise all the heirs of Arislaan to level 10.
Complete the game on the Casual or Normal difficulty level.
Capture all four factories on the same turn in Chapter 7.
Deal 150 damage or more in a single strike.
Raise a character's Combat Points to 75 in battle.
Kill 750 enemies.
End a battle with a Double Strike.
Complete Chapter 6 without using Eldrich, Grigori, or Meregan in battle.
Craft 50 items.
Protect the heirs of Arislaan from damage during battle in Chapter 5.
Execute Ivar Demeryon in Bridgetown.
Rescue Sophia and her mechanics in 15 turns or less in Chapter 4, then complete the main objective.
Craft 10 items.
Prevent the Warlords from leaving the Elevator sector in Chapter 3.
Kill 300 enemies.
Complete Chapter 2 and leave no enemy alive.
Attack an enemy with a Molotov Cocktail.
Craft your first item.
Activate all three types of resources.
Complete Chapter 1 without recruiting any character in a tavern.
Complete the prologue.
Complete the game on the Challenging difficulty level.
Complete the game on the Brutal difficulty level.
Survive an attack that deals 20 or more damage with only 1 Combat Point left.
Win a battle against an enemy that has as many Combat Points as you.
Kill 1500 enemies.