Reborn! –Episode 24 "Everyone's Counterattack"

After they have revealed that their foe wasn't the real Mukuro, everyone was angry and they’re breaks into the Kokuyo Middle School building to face the true leader.

However, without any Dying Will, Gokudera having to fend off both Chikusa and Ken, and everyone else unconscious, all hope looks lost, but one of Mukuro's captives may prove to be the ace in the hole.

Will Tsuna and his friend defeat the enemy at the end?