Here comes the most anticipated segment for comparison of these two characters i.e. Power Girl vs Cassandra Cain superpowers. Powers and abilities define their strength, both physical and mental. So what will happen if these two super characters engage in a fight? Here you can compare Power Girl vs Cassandra Cain powers, abilities, weapons and gadgets. So lets check out Power Girl Powers and Cassandra Cain Powers.Decide who is more powerful!