"The killings started all the way from Kakashi's generation, it all began in the Forest of Death. That's actually how the forest got its name, all the victims were taken there and not just killed but slaughtered. The victims were always civilians though, which is how we know the killer is not a shinobi. During the past Chunin Exams since the killings started, the killer was always inactive which is another big hint. So don't worry, the only thing you guys have to worry about is yourselves." Anko said explaining the history of the Forest of Death to the genin. None of the genin seemed to worried knowing it was only a murdurous civillian, someone who was no threat to them. Soon all the genin entered the Forest of Death and the 5 day timer began.
"Hey Sasuke, Naruto aren't you guys at least concerned that they haven't found this guy yet?" Sakura asked her teamates.
"Well if the killings have been happening since Kakashi was a genin, then this guy is obviously really good at covering his tracks." Sasuke said
"So much so that even ninja can't track him." Naruto added
Sakura stared nervously as the moved through the forest.
The killer was standing over his prey, chained up so she can't move. The killer was very satisfied with their new trophy as this was their greatest achievement yet.
The killer revealed their mask revealing a dark red haired girl.
"I feel honored to get to have such a legendary shinobi such as yourself as my first ninja victim, Tsunade Senju." The killer said as she stared down at the legendary sanin.
"Who are you? Why can't I use my strength and why do I feel so weak?" Tsunade asked
"I put a seal on your chakra that not only blocks off all your abilities but also makes you feel extremely weak." The killer said
"You, you're Konoha's killer!" Tsunade shouted
"Soon enough I won't just be Konoha's killer...it took me years to become the shinobi I am today, I was killing civilains to throw you guys off by my main objective is to rid this world of shinobi." The killer said
"And what's you problem with shinobi?" Tsunade asked
"They are the source of all problems and the reason my village, Uzushiogakure, was burned to ashes."
"Wait, you're a member of the Uzumaki Clan?!" Tsunade exclaimed
"Yeah, I was 3 when I watched my village burn and my family die. I spent years training myself, learning powerful sealing jutsus and techniques. I even managed to pick up the late 4th's Flying Rajin Jutsu. I even got a sharingan, that Flying Rajin sure does come in handy." She said
"You're many years younger than Kushina was when the village burned down, but question when did you get that sharingan?" Tsunade asked
"I got it from the only person with access to the Kamui dimension, can you believe that Obito Uchiha was still alive? He was in the Akatsuki when I found and fought him, I used the same trick the late 4th used with the Flying Rajin and cut off his head. I made my own little lair once in this dimension and transfered his blood into my own so I could reactivate and deactivate this sharingan. His head is actually hanging up on that wall over there." She said as Tsunade looked horrified at seeing Obito's decapitated head.
"One last question, how did you get me in the first place? I don't ever remember fighting you." Tsunade said
The killer then smirked evily and said, "You're really vulnerable when you're as drunk as a skunk Tsunade." She began climbing over her and whispered, "Also that student of yours, Shizune, she's pretty weak." She said looking over at the naked unconscious Shizune chained to the wall
The killer then grabbed the Flying Rajin kunai and stabbed it right into both of Tsunade's tits and twisted it making her scream in agony. She sliced her tits clean off and stabbed Tsunade in the gut, ripping out her intestines. She then cut out Tsunade's heart, slit her throat, then chopped off her head and hung it to the wall right next to Obito's. She then summouned her wolves to eat up Tsunade's remains and then took Shizune and fed her whole to the wolves, as she was screaming her lungs out. The killer then exited the dimension and in the Forest of Death.
"The 2nd part of the Chunin Exams have begun, time to move." She said to herself.