Once, Orochimaru, long revered as one of the legendary Sannin, launched the Konoha Crush. Using a forbidden technique, he summoned the First Hokage and Second Hokage, along with the Third and Fourth Hokages of the Sand shinobi.
In the chaotic melee that followed, Sarutobi Hiruzen fell in battle, while the First and Second Hokages ultimately broke free from Orochimaru's control.
Had Sarutobi Hiruzen simply died in combat, matters might have rested there.
Chapter 142