Unchained Barbarian advice

[Nosta1300]

I want to play a half orc taking the human FCB with the Invunarable rager achetype

Level 7 but once 8 reach level 8 I'll start taking improved damage reduction

I know I want superstition asap but need advice on other rage power

I want to gomin demonic style and wield a great sword....may take the divine fightijg style for it to

Any advice on how this character should be put together?