Board Thread:Theories and Speculation/@comment-25374145-20150312083658/@comment-24757127-20150315190301

Funny, Hidan is weaker alone than when he is paired up with Kakazu. That's one of the reasons they were partnered up! They compliment each other. Kakazu is the long range fighter with his masks while Hidan is close range. Kakazu didn't have to worry about hitting Hidan with his long range jutsu because Hidan can't die.

There is a difference in battle strategies when you are not worried about getting hit. Hidan wasn't worried about Kakashi hitting him so he didn't really have to dodge his attacks. Kakashi has to dodge everything because he can get hurt.