I agree with this. While we at it why does rdm have bio/dia 3 when the relevant whm/blm doesnt. But Nin could have better Merits than getting increased separate wheel spells. Make 1 with all boosts is a great idea, make another to shorting recast timers on wheel spells, make another increase to non wheel spells like poison, give a light based scroll (possibly curing damage based light spells(banish dia effects etc or regain)