The Elven Curse Add-on for Grim Nights has 15 achievements.
Kill 1000 demons. (Elven Curse DLC)
Kill 2000 demons. (Elven Curse DLC)
Accumulate 1000 earth mana. (Elven Curse DLC)
Accumulate 1000 elven energy. (Elven Curse DLC)
Lose 100 elves. (Elven Curse DLC)
Lose 200 elves. (Elven Curse DLC)
Defeat the first demon boss. (Elven Curse DLC)
Defeat the second demon boss. (Elven Curse DLC)
Defeat the third demons boss. (Elven Curse DLC)
Have an elven village for 5 days. (Elven Curse DLC)
Have an elven village for 10 days. (Elven Curse DLC)
Have an elven village for 15 days. (Elven Curse DLC)
Have an elven village for 22 days. (Elven Curse DLC)
Reach level II with your elfes. (Elven Curse DLC)
Reach level III with your elfes. (Elven Curse DLC)