Can someone explain me what it means if an Item is fully modified in Dota 2 ?
Like Odachi full mod for example.
It's related to dota 2 items. You can modify your items. Odachi Fireborn, correct me if I am wrong, is a Yunero Juggernaut Dota 2 Sword.
Full mod means fully modified aka maximum modified (max gems socketed)
Here you can see more about it :
With your example :
The Kinetic gem that gives a custom animation to blade fury and the 3 Inscribed gems that respectively track the number of Omnislash jumps, the amount of blade fury damage and the number of blade dance crits.