Blueprint Calculator

Compare the Fragment XP or Starchrom needed to upgrade a legendary weapon blueprint. Choose your current and target star levels to see the total and each upgrade step.

Select Start Weapon

Current stars

Select Target Weapon

Target stars

Total cost

29,600
Fragment XP: 45,000
or Starchrom

Each star level costs a fixed amount of enhancement XP from same-brand Blueprint Fragments (same-name fragments give double XP), or the same star can be bought directly with Starchrom. The schedule below is identical for every legendary weapon blueprint.

Star 1 → 21600Fragment XP3000or Starchrom

Star 2 → 34000Fragment XP6000or Starchrom

Star 3 → 46000Fragment XP9000or Starchrom

Star 4 → 58000Fragment XP12000or Starchrom

Star 5 → 610000Fragment XP15000or Starchrom