kayman
Explorer
The narrative justification can be the same that in PF1 a wizard of level 3 gained +1 in his reflex save.For PF2 the examples I gave are extreme, but it shows immediately when even as L2 wizard has a +2 bonus to AC for no narrative justification beyond a hand wave that "everything 2nd level is better at getting out of the way"
Experiance in the field made hin more aware of area spells.PF1
Experiance in the field made hin more aware of how to dodge blows. PF2.