About innates and others

I just got level 500 and I was thinking about my innates, and everything in my build, my goal is to become as strong as possible, even if I am f2p.

I actually have:

innates: 1-soul King (no domain/maximum)

2-star rage (no domain/maximum)

build: focus (plus a bit of strength and technique)

energy nature: nothing (not farmed yet)

awakening: nothing (not farmed yet)

equipment: shirt - special garde sorcerer jacket (lvl 300)

pants - impera (lvl 480)

outer wear - a sinner's cloak (lvl 280)

rings - silver ring (lvl 175)

+ powerful ring (lvl 250)

accessory - rotten chains (lvl 400)

weapon - hollow sword

If you have any advice or idea to help me, I would be grateful, I do not know the game enough to know exactly what I could do for a better account