Fittingly, for these kinds of mysterious creatures, very little is known about firbolgs. They originated in Irish mythology as founding settlers and earlier D&D editions ended up somewhat faithful to this, portraying firbolgs as powerful Celtic warriors. This is the significantly cry however, from the firbolgs of 5E. Warforged: Barbarians https://stephenxodvj.blogsvila.com/27892506/everything-about-green-dragonborn-monk