Blueprints are used to upgrade the Level of Mechs and Weapons. Each Blueprint is associated with a specific Mech or Weapon.
You can check how many Blueprints you need for the next Level Upgrade here:
You can get Blueprints 
:
- From Crates
- From the Daily Login Program
- From the Shop
- As a milestone reward in Events
If you don't have enough Blueprints for any upgrade, you can also buy the missing ones using A-Coins.
