Two and a half years
Zatiel gave Vania a moment to analyze his words before launching himself back into the fray. The Neo-Demon always attacked directly and never moved away from the woman's line of sight.
The Fourth Princess used all kinds of spells to improve her battle power and break her opponent's rhythm, but nothing worked. The bone sword always found a way to neutralize every obstacle on its path and reach Vania from an impossible angle.
The power in the bastard sword was constantly redirected away from the Neo-Demon's path. When the weapons clashed, Vania always felt that she hit nothing, and Zatiel used the impulse to strike from a different path.
Even though her energy pool was diminishing fast and wounds were accumulating in her body, the Fourth Princess did not lose focus for a single moment and graved every move of Zatiel in her mind.