Alice: Madness Returns
51 Achievements
23-30h
Strike a Deal
Upgrade a Weapon
78.3%
How to unlock the Strike a Deal achievement in Alice: Madness Returns - Definitive Guide
In Chapter 1, half way through Wonderland you will come across the Vale of Tears Rail Station. Defeat the enemies here and you will be prompted with a message to upgrade a weapon. Spend teeth on a weapon to unlock the achievement.
Once you reach the Train Station in the Vale of Tears you'll be able to upgrade your Vorpal Blade with the teeth you have collected. To upgrade your weapon you will need to collect teeth and once you have enough teeth to upgrade a weapon, your knife being the first (175 teeth) press and go to weapons to upgrade a weapon. You will first get the notice after reaching a certain part of the first chapter. Please see Armed to the Teeth for more info.