Dwarf: [+two Con] It is a potent choice for a Barbarian though the weapon racial adders seem to be wasted. When the goliath warlock makes an Athletics check to leap or climb, roll twice and use both outcome. Also, if you pick up the Swarm Keeper archetype at 3rd level https://rafaelgcwrj.mdkblog.com/33686460/not-known-details-about-dnd-builds