Here is the full list of all 47 Forced Sacrifice: Hejled achievements.
Sacrifice your soul
Collect 1000 points
Collect 5000 points
Collect 10000 points
Collect 50000 points
Collect 1000000 points
Sacrifice yourself 100 times
Sacrifice yourself 1000 times
Sacrifice yourself 5000 times
Sacrifice yourself 10000 times
Sacrifice yourself 100000 times
Complete the Beginner level
Complete the Easy level
Complete the Normal level
Complete the Hard level
Complete the Extreme level
Complete the "1" level
Complete the "2" level
Complete the "3" level
Complete the "4" level
Complete the "5" level
Complete the "6" level
Complete the "7" level
Complete the "8" level