Came back to the game after a year to find people building Glacial Augment on Ahri. Saw a lot of probuilds using Glacial Augment as well. It just doesn't make sense to me since damage runes seems better. I just want to know the pros and cons of picking this keystone rune on Ahri.
It helps her All Ins be way more reliable.
You can use Glacial augment on any champion that is safe in lane.
because it synergize well with this
I guess it's to hit her Charm easier
I have no idea as well. Started using this myself on toplane Soraka and support Lux. And it works...
Im building 
, sometimes along with it, it helps with engage and disengage, it makes me safer in lane. I think it works because mages are already just cc bots, can't kill anyone who gets 
+
/
or
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anyway.
Electrocute was nerfed and comet isn't attractive enough.
