Mirror's Edge Catalyst
49 Achievements
1000
EA Play
With Bells On
Purchase all of Faith's upgrades
70
6.49%
How to unlock the With Bells On achievement in Mirror's Edge Catalyst - Definitive Guide
For every 1.000 XP you earn, you get a skill point which you can spend to buy upgrades. There are a total of 50 upgrades, of which 29 need to be unlocked with skill points (putting the total required xp at 29.000).