New answers tagged fighting-style
Yes, in light or medium armor Rage only requires that the barbarian not be wearing heavy armor. It only precludes concentrating on a spell. So there's nothing in Rage to prevent applicability of the Defense fighting style. (PHB p.48, "Rage") Defense fighting style only requires that the barbarian/fighter be wearing some armor. Per Rage, that can't be heavy ...
Top 50 recent answers are included