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