This Achievement is Cumulative, meaning they add up over Playthroughs. So you DO NOT need to use 5 overloads in one run. You can use 5 overloads amongst many Playthroughs to unlock this Cheevo!
Try not to die in before the 1st boss. If so, you will have a Full Overload Meter. Press
to use the overload and defeat the 1st Boss EASY!
- Also, you can use
to SLOW DOWN :)