Iron Caster Help

Welcome to everyone, i want to build an iron caster and it's my first time with this type of play
i want an help with a 20lvl. i want to take 3 lvl of weapon master, 2 lvl of browler, 7 level of sanguine angel and 8 level of heritor knight.

First Question: Which archetype of brawler do you suggest?

My race is Human. If my allignment is lawful neutral and i'm a girl can i take both prestige class? is it a solid build?

Second question: Which Tyrant’s discipline do you suggest?
Third Question: feat suggestion.

Thanks in advance.