User blog comment:MajorFlamerider/Ruby, the Red Reaper/@comment-26921887-20150824030404/@comment-26921887-20150824031747

More ad and has less than Wukong that is actually a average radius. Furthermore it also should have a linear range that allows her to reliably hit multiple targets and not end up in the middle of the enemy team. Therefore a range of 1500 units is acceptable and makes the ultimate deadly. All of this allows for the 1 second channel time to be balanced. Because that is 1 second you are not auto attacking and 1 second of auto attacking late game is roughly 1000 physical damage.