It's so funny that Fantasyslop novel authors will give a character the most useful skill ever and try to convince you it's a trash ability. Even if his skill is not suited for combat at first glance, this guy should have a significant amount of jobs available for him
It's said dragon births can be either oviparous or viviparous, and it's harder for viviparous children to transform in their dragon form, so I guess oviparous children are already born in their dragon form