Here is the full list of all 21 Age of Fear: The Undead King achievements.
You have been defeated!
Sir Edward became Black Knight!
Raise your own bone dragon!
Complete Rise of The Necromancer campaign!
Read the whole game guide!
Become a dreadful Wight!
Always fresh. Only certified meat!
Take control over enemy!
Complete The Tale of Sir Edward campaign!
Raise an Undead minion!
Time is just another dimension!
Find frozen dwarven army!
Upgrade any unit to Elite!
Help Sir Edward's to hunt his prey!
You have helped farmers to get rid of wolves!
Your hero has been hurt! Please don't cry!
You have hoarded 10000 Gold coins!
Win any campaign on Death Seeker dificulty. Good luck!
Trick or treat!
Discover an ancient tribe of Snowmen!
Upload your first Workshop Item!