Choosing your perfect subclass is subjective, but if your objective is optimization, consider knowledge what your character wants to do and what stats suit best with their subclass. Goliath culture is often a utilitarian egalitarian meritocracy. Which as soon as you get rid of the Latin usually m

+two Strength, +one Structure. Strength is a reasonably market stat. Strength Saves are somewhat rare, Strength attacks are just for melee range, and carrying capacity is rarely a problem. So it is a fine stat if you plan on likely into melee combat, and provided that you have the hefty armor so you