Here is the full list of all 27 Highlands achievements.
Complete the game on the Casual or Normal difficulty level.
Raise a character's Combat Points to 75 in battle.
Raise all the heirs of Arislaan to level 10.
Deal 150 damage or more in a single strike.
Kill 750 enemies.
Survive an attack that deals 20 or more damage with only 1 Combat Point left.
Craft 50 items.
Execute Ivar Demeryon in Bridgetown.
End a battle with a Double Strike.
Prevent the Warlords from leaving the Elevator sector in Chapter 3.
Kill 300 enemies.
Complete Chapter 2 and leave no enemy alive.
Win a battle against an enemy that has as many Combat Points as you.
Craft 10 items.
Activate all three types of resources.
Craft your first item.
Attack an enemy with a Molotov Cocktail.
Complete the prologue.
Complete the game on the Challenging difficulty level.
Complete the game on the Brutal difficulty level.
Complete Chapter 1 without recruiting any character in a tavern.
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.
Craft 100 items.
Kill 1500 enemies.