Guinsoo's Rageblade

+25 Attack Damage
+25 Ability Power
+25% Attack Speed

Passive: Basic attacks deal 15 magic damage on hit.
UNIQUE Passive - Last Whisper: Gain 15% Armor Penetration.
UNIQUE Passive - Dissolve: Gain 15% Magic Penetration.
UNIQUE Passive: Basic attacks grant +8% Attack Speed for 5 seconds (up to 6 stacks). At max stacks, gain Guinsoo's Rage.

Guinsoo's Rage: Every 3 basic attacks, trigger on hit effects twice.

While at half stacks, melee champions' next attack will fully stack Rageblade.