You need to purchase all five perks to earn this achievement. The perks can be bought during the following episodes:
Arsenal ($44): Act 2 Episode 1
Dodger ($40): Act 3 Episode 7
Rat King ($32): Act 3 Episode 11
Cuirass (34$): Act 4 Episode 6
12 is Better than 6 ($34): Act 4 Episode 10
If you're short on cash you can run a few repetitive tasks which can be obtained from the vendor with the dollar sign ($) over him.