Top 10 Most Iconic Assassinations in Manga & Anime!

Mercy is defined as an act of profound compassion, and in anime, there is no greater mercy than a quick and painless death.

However, it is often the circumstances surrounding a character's demise that matter more than the death itself. Sometimes, heroes sacrifice themselves to protect the greater good; other times, their disappearance deeply changes the course of the story. In anime, deaths by mercy become iconic because they bring poignant nuances and striking moments that permanently influence the plot and the protagonists' development.

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The notion of clemency remains subjective: while some antagonists in anime do not deserve it, many receive a second chance in their last moments, revealing unexpected inner transformations. Often, this mercy stems directly from heroic acts performed to protect the community. These deaths in anime leave a strong imprint due to their narrative impact or their close connection to the central theme.

10. Akame ends Esdeath’s tyranny in Akame ga Kill!

After a cruel journey to overthrow the oppressive Empire in Akame ga Kill!, Akame and Esdeath face off in a final duel. As the last survivor of Night Raid, Akame carries the memory of her fallen comrades, motivated by their vengeance: to kill Esdeath. This act was a gesture of mercy, as by offering Esdeath a quick death, Akame prevented further massacre and the brutal collapse of the Empire.

A powerful military leader, Esdeath's death weakened the Empire forever. Akame granted her peace and respite in her final moments. Esdeath died in the arms of her love, Tatsumi, both buried under the ice, thus sealing the end of tyranny.

9. Kiritsugu kills his mentor to protect millions in Fate/Zero

In Fate/Zero, Kiritsugu Emiya, marked by a difficult childhood, became an assassin trained by Natalia, his mentor. Tasked with eliminating rebellious mages, he dreamed of justice but used dark and radical methods. During a mission, confronted with a plane infested with undead, Kiritsugu made the impossible choice to shoot it down at sea, killing Natalia to preserve the lives of thousands of others.

8. Itachi Uchiha uses Tsukuyomi to spare Izumi in Naruto

In Naruto, Itachi Uchiha was torn between his clan and his village. To avoid a civil war, he eliminated his clan in the name of peace. During this massacre, he used his Tsukuyomi technique on Izumi Uchiha, his close friend, plunging her into an illusion where she lived a peaceful life with an imaginary family before dying serenely, spared a violent death.

7. Ryuk writes Light Yagami’s name in Death Note

In Death Note, Light Yagami, corrupted by power, embodies Kira and imposes his murderous justice. When his end comes, Ryuk, the god of death, inscribes Light's name in the Death Note, offering him a swift death, true to his promise, while ending a reign of terror and illusions.

6. Koro Sensei assassinated by his students in Assassination Classroom

In Assassination Classroom, Koro Sensei teaches his students various assassination techniques with the goal that they will one day kill him. Being the most powerful in the universe, he chooses to orchestrate his own death as a passing of the torch, atoning for his dark past and freeing the world from his impending threat. During graduation, Nagisa delivers the fatal blow, a gesture filled with emotion and acceptance.

5. Mikasa ends Eren Yeager and the Great Rumbling in Attack on Titan

In Attack on Titan, Eren's descent into extremism forces Mikasa to choose between saving the world or the man she loves. Shaken by Eren's transformations, she kills him to prevent his mass destruction. This final sacrifice is an ultimate act of love and mercy in the face of the painful choices imposed by their destiny.

4. Meruem and Komugi die together playing Shogi in Hunter x Hunter

In Hunter x Hunter, Meruem, King of the Chimera Ants, discovers human nuances through Komugi. A victim of a fatal poison, he spends his last moments in her company over a game of shogi. Komugi, weakened but undefeated, also dies by his side, illustrating the complexity and diversity of human strength.

3. Lelouch ends Euphemia’s murderous madness in Code Geass

In Code Geass, during a tragic attempt at appeasement, Lelouch accidentally activates his Geass on his sister Euphemia, forcing her to attack civilians. To stop this massacre, Lelouch shoots Euphemia, mercifully ending her madness and turning this tragedy into a catalyst for a national rebellion.

2. Kakashi kills Rin to stop a plot in Naruto: Shippuden

In Naruto: Shippuden, Kakashi is forced to kill Rin Nohara, who carries a sacrificial bomb intended to destroy Konoha. Faced with this tragedy orchestrated by Madara Uchiha, Kakashi performs a painful act to prevent a major catastrophe, paradoxically triggering a chain of events with heavy consequences.

1. Scar ends Nina Tucker’s suffering in Fullmetal Alchemist: Brotherhood

In Fullmetal Alchemist: Brotherhood, Scar discovers that Shou Tucker has transformed his daughter Nina and her dog into a chimera to preserve his status as an alchemist. Horrified, Scar mercifully ends Nina’s suffering, embodying a compassionate killing rooted in heartbreaking justice.

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