I love to build Talon with Youmuu's Ghostblade, Last Whisper, Black Clever, 2 Blood thirster and Ionion Boots
Would the Armour Pen from Youmuu's Ghostblade proc with the Black Clever and also with Last Whisper?
They stack, if that's what you're asking.
Example, 100 armour target.
100 X (0.65 [Last Whisper]) X (0.75 [Black Cleaver]) - 20 (Youmuu's Ghostblade) = 28.75 actual armour against you.
The order of the calculation is flat armour reduction, then % armour reduction, then % armour penetration, and flat armour penetration last.
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