What affects the bad ending? (Sekiro: Shadows Die Twice)

The question arose, a couple of times I died on the boss with a spear runs, but has arisen around these pillars.
After you have found the axe and have him returned to the Carver, the woman near him said that they say you have a Wolf there some sort of disease from the dark of death, you are saying to be careful, and then who knows what.
So, in the bad ending affect only the resurrection from, or simply number of deaths?