The drawbacks of the Ring that we become so intimately familiar with over the course of three books are all perks in Sauron's mind.
The approach of the Ring is thus the approach of an adversary, using Sauron's own power against him. Sauron was probably wondering why Aragorn didn't brandish the Ring the moment he arrived at the Black Gate to challenge him.
The approach of the Ring is thus the approach of an adversary, using Sauron's own power against him. Sauron was probably wondering why Aragorn didn't brandish the Ring the moment he arrived at the Black Gate to challenge him.