Creating A Clan In DxD

I'm dead, got transmigrated, and ceased to be a human.
That damned God! He only told me to create a clan in the world he sent me to without any other explanation.
Where am I? What kind of world is this?

[System Activated]
[Quest Generated]
[Survive!]
Task : Win and survive your first battle !

"What the hell?"
"Look what do we have here... I never seen an ugly youkai like you before, unfortunately I can't let any unknown variable like you to go freely. Now die!"

I just got here, I'm not going towaste my second life like that!

It was at that moment, I shouted two words that I don't know the meaning of but got out from my mouth unconsciously.

"Lok'tar Ogar!"