Reverse Tribulation: I Went from Mortal to Taboo

In a world where "spiritual power is talent", a boy who was born unable to perceive spiritual power unexpectedly gained the ability to practice in reverse - instead of absorbing the spiritual energy that nourishes all things, he absorbed the power of decline and destruction that was regarded as a dead end for spiritual practice. The calamity that all living beings fear as much as a tiger has become his strongest source of strength.