>>39261043Rock and steel should be both defensive types with different properties
Rock being weak against grass, water, steel and fight, and gaining the ground resistance.
Steel being weak against ground, electric and fire, and being neutral against fight.
Resistances and immunities nit mentioned here being the same in both types.
Now will have two type of wall to make more diverse teams and not being limited without use Pokémon with the same weaknesses of steel type