So as requested, here is the Korean Voice Pack for SB.
When you download it, open your root folder Vendetta Gaming Network\Scarlet Blade Vendetta and paste the entire extracted folder there.
https://mega.nz/#!nmZSGSwC!bZ1SziDoOH0LSbhka02Ww36WEEzMxy518vUzy-WYmGs
This pack should cover NPC voice over and general character voice over including skills and emotes.
Just a heads up though, some NPC voices may not work in our version. I will not be fixing them, this pack is what it is. If you notice any crashing while using this pack, I suggest just reverting back to the original NA version.
This is just client side, so only you will hear this.
Side note, Korean voices are 10x better then NA voices.