Log in to your preseason acc if you haven't already this season. When you log into that account once, its altars and map should register account wide.

The only things that carries over are your unlocked map and altars of lilith. The renown you have in seasonal from the start is the renown unlocked from your altars of lilith.

Barbarian is really chill, basically 4 shouts that you press + one mobility ability + main damaging ability (one of the core skills). Barbarian is also really tanky so after activating your shouts just use your core skill and enjoy.

"Fixed an issue where the Fields of Hatred Killer Cosmetic Set was missing helmets for Druid, Necromancer, and Rogue."

Very nice!