Place your free +one reward into Intelligence and choose the Battle Smith archetype at third level for martial weapon proficiency, plus the ability to implement your Intelligence as your melee attack and damage modifier. The Warforged’s ability rating boosts do lots to set out the designers’ manifesto for this race: https://dndhuman46802.blogsidea.com/34296949/a-simple-key-for-5e-far-traveler-unveiled