On OP PvP people throw a pearl and than 2 seconds later when your pearl lands throw another one backwords. It makes it impossible to kill people unless they lag. Make it like 8-10 seconds.
I think it's a good idea, but your time limit you put. I don't like it, I suggest as @RandomNinja14 said, or 4. Support.
I support this idea but 8/10 seconds is a bit much in my opinion. 4-5 Seconds is more suited in my opinion
Support however I don't think this will fix much as people will continue how boosting until the perl cooldown ends.