dark/ ghost has no weaknesses. bug/ steel has only one weakness and 10 resistances dragon/ water only has a weakness to dragon dragon/ steel has 12 resistances normal/ psychic has only 2 weaknesses and ghost has no effect. This is the only combination of normal with another type that normal covers a weakness. electric/ steel has 13 resistences steel/ grass has 11 resistances and only2 weaknesses poison/ dark has only a ground weakness ground / water has only a grass weakness(credit to Pokemoning and mirkjani for those two)
