Shin Uchiha had a vague idea of what had happened, but he did not take it to heart. Even if Obito Uchiha had reclaimed his Sharingan and grown stronger, if he still dared to show off in front of him, Shin Uchiha had plenty of ways to teach him a lesson.
Still, after thinking it over, Shin Uchiha decided to reveal some of his capabilities to Tsunade to ensure her safety and that of her child.
Shin Uchiha cleared his throat twice with a solemn air. Once Tsunade and Shizune beside her both turned to look at him, he said with a touch of reserve,
"Tsunade, I actually have an ability similar to Kakashi's. So if Obito Uchiha appears in front of you, you can notify me directly, and I'll come right away."
Shin Uchiha knew that Tsunade was someone who cherished old bonds. When Deva Path Pain invaded Konoha to capture the Nine-Tails, she had risked her life using her large-scale Medical Ninjutsu, nearly dying in the process.
If Obito Uchiha appeared before her, the space mark Shin Uchiha had left on her would allow her to leave the battlefield at any time and enter his space.
But given Tsunade's personality, if anyone close to her or any of her subordinates were nearby, she would never abandon them and leave the battlefield alone.
So, for Tsunade's sake, Shin Uchiha could only step in himself to ensure the safety of both mother and child.
Seeing Tsunade looking at him inquisitively, Shin Uchiha knew what she was thinking. He gave her a knowing nod, admitting that he had already copied Kakashi's dōjutsu.
Since Shin Uchiha had previously copied Tsunade's Senju bloodline and successfully awakened a sage body, she did not doubt his words. What she did not know, however, was that