Become a Ghost Boss from Goblin Slayer

This is a different world of swords and magic. The giants have been destroyed, the dragons have fallen from their throne, the elves have settled in a corner, the vampires have abandoned their ancestral land and moved to the far west, the orcs and ghosts have declined, and the human race has risen to become the world's hegemon after the Dark Age... Yan Kai traveled to another world, became a ghost, and obtained the life source system. As long as you kill specific creatures, you can ignore bottlenecks, break through limits, advance rapidly, and become the strongest in the world! He came to the human kingdom of Ian and registered as an adventurer specializing in killing goblins. From then on, he began his journey of killing goblins and attaining enlightenment. Two and a half years later, a new legend was born in the North! He is the "White Ghost of the North", "Goblin Slayer", "Goblin Terminator", a heroic figure in the bard's mouth. Yan Kai thought he could quietly become the strongest in the world, until he unexpectedly met an elf, and the gears of fate began to turn... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.