League-of-legends – Does Whimsy affect physical damage against towers

league-of-legends

I always thought: "Physical damage is only based on attack damage (like autoattack)", but today I notice something very weird.

When I used Whimsy on myself I caused more damage in units, like Turrets.

So the wild question appears:

  • "How does physical damage really scale?"

Whimsy (Active) – On ally cast: Target ally gains 35% movement speed and bonus ability power for 5 seconds.

(Active) – On enemy
cast: Polymorphs an enemy champion for a short duration, disabling
their ability to attack or cast spells and reducing their base
movement speed by 60.

Best Answer

It's impossible for Whimsy to add damage to turrets UNLESS you were playing an AP character: From the League of Legends wiki:

Damage to a tower is based on your base damage plus the higher of your bonus attack damage or 40% of your ability power

When you were doing more damage, it was likely that someone had the Siege Commander mastery OR you had Demolition (+10 damage to turrets).

Attack damage scales at a 1:1 ratio with auto attacks of all characters. Per auto attack physical damage dealt is based on the total armor of the target, also factoring in how much armor penetration you have. You can read more about how much armor reduces physical damage here.

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