Talk:Rumble/@comment-24747190-20141211165251/@comment-3308937-20141219152400

@Midnight Sun

The slows are stacked additively.

http://imgur.com/0Ui7tyK

Ashe has a base 325 movement speed and you can see here I have rank 2 E which is 30% per dangerzone harpoon and Ashe, who has the harpoon debuff, has 175 movespeed. A 60% slow (2 harpoons additively) would be:

325*.4 = 130; 130*.5+110 = 175 movespeed, which is what Ashe in my screenshot.