Devil May Cry 5 Special Edition

This is another achievement you don't have to pay attention to. It will unlock after picking up your 100 Devil Breaker but if you want to get this quickly, simply play the Bloody Palace with Nero. Some levels have rest stops with 10-20 Devil Breakers to pick up. Simply pick one up and destroy another. Rinse and Repeat.

Although this should come through natural progression, if you're looking for a quicker method:

Load up Mission 15, any difficulty, but Human is always good. Not only are there lots of Devil Breakers to pick up, but there tends to be an abundance of them along the path behind the Divinity Statue, (I think 6-10). So if you want to knock this out just keep reloading that mission.

Credit for this solution goes to Monkytildeath for the same achievement on the Xbox One version of the game.