Okay, first of all, I know this is a ridiculously old subject and I'm pretty sure there has been loads of similar topics in the past, but I just want to bounce this theory on you guys. So please lend me your ear for a minute. 
I'm pretty sure there are many jutsu that can take Hidan out, but I myself came up with a more practical possibility. (This may have been mentioned somewhere, not sure. I just figured it out myself while watching Hidan fighting Asuma.)
Would it be possible to go around Hidan's Jashinist immortality by tricking him into ingesting his own blood and use it for his curse, just as Shikamaru did with Kakuzu's blood?
Now I'm sure Hidan has some kind of counter measures for his own blood, if he knows it's his, for example, if he starts spitting blood in a fight and naturally ingests it, of course he won't activate the curse. BUT, what if he doesn't know the blood is his, and strikes his own vital point attempting to kill his enemy while under curse, wouldn't he basically strike himself through the curse?
Again, this is just a theory and it might be way off, but I'm looking forward to your comments on it.
Thanks for your time. :asuma:
I'm pretty sure there are many jutsu that can take Hidan out, but I myself came up with a more practical possibility. (This may have been mentioned somewhere, not sure. I just figured it out myself while watching Hidan fighting Asuma.)
Would it be possible to go around Hidan's Jashinist immortality by tricking him into ingesting his own blood and use it for his curse, just as Shikamaru did with Kakuzu's blood?
Now I'm sure Hidan has some kind of counter measures for his own blood, if he knows it's his, for example, if he starts spitting blood in a fight and naturally ingests it, of course he won't activate the curse. BUT, what if he doesn't know the blood is his, and strikes his own vital point attempting to kill his enemy while under curse, wouldn't he basically strike himself through the curse?
Again, this is just a theory and it might be way off, but I'm looking forward to your comments on it.
Thanks for your time. :asuma: