Chapters 12-13 (Normal) is a secret achievement in the first Bayonetta game that is unlocked by completing Chapters 12 and 13 on Normal.
Description[]
"Complete Chapters 12 and 13 on Normal difficulty"
Guide[]
Just beat Chapters 12 and 13 on Normal.
Here is the wiki Walkthrough:
Chapter 12
Chapter 13
Notes[]
- The Xbox 360 achievement adds 20 points to the player's Gamerscore.