User blog comment:MystiKnight/Finished - Komachi, The Debt Collector/@comment-4296199-20140129125812/@comment-35019468-20140129203950

The thing is, she could have higher ratios and still fall off late game, if she can't build full glass cannon AD. and, both bruisers known to fall off, have massive AD ratios.

Bonus AD ratios lower than 70% are miserably small, and are the equivalent to the damage gained from 's AP.