Here is the full list of all 22 Gift of Life: Key of Solomon achievements.
Die 50 times
Open the first ending
Open the third ending
Collect 15000 souls
Get into the tomb
Collect all the grimoires
Don't lose Sam
Collect 30 relics
Collect 1000 souls
Open 10 chests
To see the ghost
Die 1 times
To meet Sam
Open 5 gold chests
To restore 1500 health
Fully to increase health
Collect 5000 souls
To lose 2000 health
Break 30 vases
Open the fourth ending
Collect 20 medkits