Executioner's Calling 3123since 0.151.2 17 changes removed in 4.21.1
800g (450g base, 560g sell)
Grievous Wounds: Dealing physical damage applies 40% Grievous Wounds to champions for 3 seconds.
Builds from: 
Long Sword
Builds into: 
Mortal Reminder
Chempunk Chainsword
Damage
Click any two patches to compare; the current range is shaded.
− Dealing physical damage applies 25% Grievous Wounds to champions for 3 seconds.
+ Dealing physical damage applies 40% Grievous Wounds to champions for 3 seconds.
+ Dealing physical damage applies 40% Grievous Wounds to champions for 3 seconds.
− Dealing physical damage applies 40% Grievous Wounds to champions for 3 seconds.
+ Dealing physical damage to champions applies 40% Wounds for 3 seconds.