This Is Misunderstanding!

Kiba slowly smoked while enjoying the sight of the village. He saw everything that was to see and tossed the cigarette butt. 

"There is only one interesting place," Kiba thought of the black pagoda. "If it is what I'm thinking it is... then sooner or later, a disaster would strike the world... a mass scale extinction."

Kiba didn't really care much about the fabled Guardian Spirit supposedly existing in the pagoda. It was none of his business and neither was caring about the purpose of pagoda's existence.

Every day, throughout the world, thousands of people died. Many of them might be natural deaths but a good portion were unnatural deaths... murders out of greed, envy, anger, or lust. 

Throughout history, humans have killed more humans than any disaster, famine, plague or foreign race.

So, from his perspective, more humans dying at the hands of other race, or a mystic existence, hardly mattered.