Acceptation
"Not everyone can see them. In fact, such people are very rare. As for why you can't see them, it's simply because they don't like you." Hearing Nakia's words leaves you a bit frustrated.
Intermédiaire
"Everything has a spirit, and spirits have different ranks. The more intelligent and self-aware they were in life, the stronger their soul after death. They can grant you great STR, but only if they are willing."
"So what should you do? It's simple: perform for them, then sacrifice some souls to them. Don't doubt it—they get hungry too, just like people. No reward, no motivation to work."
After understanding the issue, you start Meditation to try communicating with them. Suddenly, a voice delivers a request.
Fin
"Back already? Looks like they're quite satisfied with your actions this time." Nakia said casually, but suddenly changed her tone.
"But remember, you don't have to listen to everything you're told. Always remember who truly holds the Scythe." When you assure her you'll keep it in mind, you also ask Nakia who she really is. She simply replies,
"Because I'm the Demon Hunter!"