Mizuki reverts to his original form, badly damaged when Tsunade shows up and explains everything about the potion Mizuki took.
A Super S-Ranked Mission! Canon 39 Bushy Brow's Jealousy: Lions Barrage Unleashed! Episodes 307 and 308 are about another reanimation with deep emotional ties to the person he's fighting a theme throughout this war being these painful reunions , as is Episode 317.
The Konoha-nin are betrayed, as expected by both Hiruzen and Danzō, so Kakashi and Itachi eliminate the envoys.