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