[Item Concept] - Tempo Attack
+70AP +30 Armor +30% Attack Speed
UNIQUE: Autoattacking an enemy champion 2 times increases your Armor by 10, your AS by 35%, and gives you 10% crit reduction for the next 10 seconds (20 second cooldown)
Price: 2900
Build Path: 
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Very niche item but this could balance out champions like azir and diana without direct buffs & may even be used by champs with AA procs like Ekko who can benifit from the bonus armor.
