Here is the full list of all 19 The Choice of Life: Middle Ages achievements.
Read the first and second volumes of the book "The Victory of Good"
Reborn 30 times
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Check the friendship of two friends
Defeat the mercenary
Get 24 titles
Get rid of the Demon forever
Help the Prince to imprison the Demon
Reborn 10 times
Prevent a fire in the scriptorium
Enter the city through sewers
Defeat the Bandit Leader
Destroy the kingdom
Complete the trial of the treasury keeper
Cheer the King
Enter the city through the main gate
Get the title for the first time
Complete the blacksmith's challenge
Make a deal with the spirit