Not at all, he was able to possess Plagueis without him even realizing it, without his body being destroyed, and allowed him to believe he had free will.
The only reason he failed is because he left Plagueis's body in fear after realizing that the terrible Sith Lord he had foreseen the coming of would be Plagueis's apprentice.
He didn't fail the process, whereas Bane did.
Originally posted by NewGuy01
Not at all, he was able to possess Plagueis without him even realizing it, without his body being destroyed, and allowed him to believe he had free will.The only reason he failed is because he left Plagueis's body in fear after realizing that the terrible Sith Lord he had foreseen the coming of would be Plagueis's apprentice.