In my limited PvP experience, I have had no problem with others that use Blink. I don't use it because I hate being temporarily blind when I jump. It's a little disorienting for my old eyes. Ha ha. Those that are effective using it have had lots of practice and this doesn't make Blink overpowered. It only means those players are improving their PvP skills. Same goes for learning to use any ability. One other "disadvantage" to using Blink is that it is loud. I can hear where players are coming from when they use Blink. The whoosh sound it makes seems louder than other jump types. That can help players better locate their targets in maps that are more maze like.