These are decent Dwarf cultures. They remind me of classic martial Fighter Dwarf versus recent primal Druid Dwarf.
But I wish the Dvergar (using a reallife culture term) were more mythologically accurate. These "dwarves" are different.
Dvergar Traits
• Actually is the mind of a feature of rock or clay
• Petrifies in sunlight (when reaching zero hit points from radiant damage)
• Personifying an ineffective fate, whence curses and destruction
• Typically same height as human
• Black hair, sunless pale skin
• Somber, protective or cruel, generally uncooperative
• As rock, are unmoving, perceived as shamanic trance, mind outofbody
• Powerful mages: psionic, primal, elemental (earth)
• Superlative makers of tools and technology
• Extreme Strength while holding something up without moving
• Typical classes: Druid, cosmic force Cleric of fate, Artificer, Wizard