"Fortunately, the first attempt went smoothly. With the help of those enormous, intricate Puppets, the Ryūmyaku Chakra passed through my body, damaging only some of my Meridians before becoming the foundation for casting Tsukuyomi. After that, I used Daybreak at regular intervals to turn the enormous Tsukuyomi outside back into a mass of calm chakra, then... cast it again."
Through this almost clumsy method, Izumi had stabilized the Ryūmyaku Chakra and the Tsukuyomi Barrier protecting her clanspeople here.
"By repeating that process over and over, I at least made this place a refuge where the Uchiha Clan could hide for now. The only costs were my body and the loss of the Tsukuyomi Barrier's genjutsu effect...
"After that, I had Sara's arrival to thank. She came here after noticing a disturbance, and as the Queen of Roran, she helped me guide the Ryūmyaku Chakra back into a stable state. I no longer needed to repeat the process so often, and it gave me a few more years to live."
"I'd also been asking Sara to find someone skilled in Sealing Jutsu, hoping to seal the Ryūmyaku Chakra away again... Then she told me that you were skilled in Sealing Jutsu, Naruto, so I was really looking forward to your arrival."
When Izumi finished, she looked calmly at Sasuke and Naruto. "That's everything I went through. So it doesn't matter to me that the Mangekyō Sharingan will make me blind. Even if my eyes could still see, my body was already on its last legs."
"All I worry about is the clan, and now that you're here, I can let go of those worries. Naruto, the Uchiha Clan survived because of you, so I hope I can repay you in some small way. Before you seal the Ryūmyaku, I'd like to