He’s already Stage 2

Immediately, a faint glow bloomed from Damien's palm as Accelerated Healing activated.

A collective gasp swept through the training ground like a wave of wind brushing through tall grass.

Under the stunned gazes of dozens, Rafael's battered body began to shimmer faintly. His wounds—raw, bloody, and brutal—twitched, then knit themselves shut before their very eyes. The crushed bones straightened. Swollen flesh receded. The bruises faded into nothingness. Within moments, not even a scar remained. If not for his pallid complexion and the tattered state of his uniform, it was as if the boy had never been injured at all.

The training ground erupted into hushed murmurs.

"My god... the Crown Prince can heal?"

"What kind of power is that? Divine? Arcane?"

"Just what sort of monster has awakened…?"