Here is the full list of all 19 The Choice of Life: Middle Ages achievements.
Reborn 30 times
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Read the first and second volumes of the book "The Victory of Good"
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Destroy the kingdom
Get rid of the Demon forever
Check the friendship of two friends
Help the Prince to imprison the Demon
Complete the trial of the treasury keeper
Prevent a fire in the scriptorium
Defeat the Bandit Leader
Reborn 10 times
Enter the city through sewers
Defeat the mercenary
Cheer the King
Enter the city through the main gate
Complete the blacksmith's challenge
Get the title for the first time
Make a deal with the spirit