Talk:Purity/@comment-71.202.181.74-20150328011120/@comment-76.31.92.89-20150522153057

" It says in the first sentence of the article that it's built by gaining affinity through your weapon of choice, which pretty much just means it builds up from the amount of kills and exp you (or your team) get.

You say that like it's super obvious. Didn't realize that's what it meant by that sentence.