Rune Suggestion
Why don't we have a rune that gives 10% critical strike chance and crits make the target bleed. Bleed deals 2 + (0.04 per 1% crit chance)×(1+bonus crit damage) % of target max health as physical damage over 4 seconds. Other crits on already bleeding targets refreshes the bleed duration.
Damage starts by 2% Max HP and scale up to 8% if you have 100% crit chance and 
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Like Overcharger, "This opens the door to brand new item builds.":
e.g. 
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