This achievement is MISSABLE and can only be done in the 4th chapter of the game (Borgia's Hideout). To unlock the Makes You Stronger achievement, you need to find every possible death (6 ways) in the safe minigame:
- Falling into the pit
- Getting attacked by the spider
- Getting burned
- Getting burned after you got wet from the water
- Burning the gold chest (on top)
- Burning the gold chest (down on the floor)
Makes You Stronger Achievement: