Talk:Mastery Rank/@comment-67.174.225.118-20130603190336/@comment-93.186.16.244-20130604042107

Tip, try soloing missions, like low level. Only use the weapon you want to level, you can end up with like 140 kills and about 2-6 thousand xp for. Meanwhile you can farm in low level missions,and don't contribute for a while