Seeing Karn arrive at a time like this, Hiruzen Sarutobi felt as though the blood vessels in his brain were about to burst. You have the nerve to ask!?
But Hiruzen Sarutobi knew he could do nothing to him. Even the Space-Time Isolation Barrier that blocked the Summoning Technique had been useless, leaving him with fewer and fewer ways to deal with people like this.
Now that Karn was willing to return, he was most likely planning to mock them. It was unlikely that he meant to break with them completely; otherwise, he could simply have left and done business in another Ninja Village, although medicines and other medical supplies had already appeared in Kirigakure.
"Karn-san, our preliminary assessment is that an enemy was preparing to harm you. Fortunately, they hadn't figured out your whereabouts, or they might well have put you in danger."
The Third Hokage spoke to Karn, his hand clenched behind his back so tightly that his nails had left marks. That was three ANBU squads and an ANBU platoon captain. With a war in the Shinobi World highly likely to break out, the ANBU had suffered such severe losses!
Hiruzen Sarutobi regretted it. He should not have listened to Danzo and moved against Karn without accurate intelligence and absolute confidence.
"Another enemy? And they destroyed my home like this?"
Karn's face filled with anger at those words, and he immediately denounced the "enemy." "It must have been the Cloud Ninja! Those despicable bastards tried to attack me last time, and now they're back!?"
Among those who had not yet left were several ninjas from the Konoha Military Police Force who had also been involved in the previous incident. Hearing Karn say this, they immediately remembered that the ANBU seemed to have steered matters during the earlier