Axemanship...what does it do?

[Seirra_Lanzce]

Example;

You're are now Lancer, you equip Skull Sunder, without the Axemanship, you hit Skull Sunder, around 150 DMG, then you now equip Axemanship, you hit with Skull Sunder , getting around 190-210 DMG

*DMG deal are just example.