Stage 1[Requires 50,000PL]-Adds 10,000 to all stats.
Stage 2[Requires 200,000PL]-Adds 20,000 to all stats.
Stage 3[Requires 400,000PL]-Adds 40,000 to all stats.
Stage 4[Requires 1,600,000PL]-Adds 50,000 to all stats.