Whenever Hei crits with his auto-attacks or his Q, he also slows the enemy hit by 40% for 1 second.
Q
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Hei throws his dagger in a straight line, dealing 30/50/70/90/110 (+1.2 Total AD) physical damage to up to 3 enemies hit. Can crit and applies on hit effects. Adds some sort of buff for each enemy hit which increases crit chance for a few seconds
Cost : 40/45/50/55/60 Mana
Cooldown : 6 / 5.5 / 5 / 4.5 / 4 seconds
W
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Passive: Gives Hei 20% + 10/15/20/25/30 armor penetration and reveals low health enemies 15% / 20% / 25% / 30% / 35% in a radius of 3000/3500/4000/4500/5000 around Hei, much like Warwick's E
Cost : None
Cooldown : None
E
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Hei enters stealth after a 1 second fade time for 8/10/12/14/16 seconds. The next auto-attack after stealth will deal bonus damage and crit. The stealth can only be broken by auto-attacking or using an ability.
Cost : 80 Mana
Cooldown : 30/28/26/24/22 Seconds
R
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After a brief channel(2 seconds), Hei will teleport to a target unit. If the unit is an enemy, then Hei's next auto-attack within the next 5 seconds against that enemy will deal 150/250/350 (+0.5 Total AD) bonus damage.