Talk:720S Proving Grounds/@comment-188.26.33.174-20170915122658/@comment-24.94.27.103-20170918211709

The Tier 14 is a PR of 70, Tier 15 is PR 73, so it is one or the other for 75%. PR 72 is either too little or too much. Since it is only 16 tiers total I would guess PR 70 is good for Tier 14, and the two races of 15 w/o PR