Adding an additional d6 to each of your attacks at sixth level is a good reward to your Rage damage, and scales to 2d6 when you arrive at 14th level. But D&D 5e makes multi classing easy. When that is merged with two wildly different classes like barbarian and also https://beckettxtlfx.uzblog.net/5-easy-facts-about-locathah-barbarian-described-42407344