The BEST episodes of Strike the Blood

Every episode of Strike the Blood ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Strike the Blood!

The Fourth Primogenitor—That's the world's strongest vampire that should only exist in legends. Accompanied by twelve Kenjuu and spreading calamity, this phantom vampire appeared in Japan. For the observation and obliteration of this Fourth Primogenitor, the government and Lion King decided to dispatch an attack mage known as a Sword Shaman. However, for some reason, the one chosen for the observation was a apprentice Sword Shaman girl, Himegari Yukina. Wielding the strongest anti-primogenitor spirit spear, Yukina arrived at Demon District, Itogami City. What is the true identity of the Fourth Primogenitor, Akatsuki Kojou, she encountered over there!?

Last Updated: 12/30/2023Network: Anime OAVStatus: Ended
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Labyrinth of the Blue Witch I
star
8.67
89 votes

#1 - Labyrinth of the Blue Witch I

Season 1 - Episode 13 - Aired 1/10/2014

Itogami Island's tourist industry flourishes as the season of the annual Halloween Fest draws near. Kojou reunites with his childhood friend Tokoyogi Yuuma for the first time in four years, but Yukina and Asagi are not pleased to see the intimate friendship she shares with him. Meanwhile, when the Meyer Sisters suddenly appear at the Keystone Gate, the "witch of the void," Natsuki, finds herself in danger...

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The Amphisbaena IV
star
8.56
123 votes

#2 - The Amphisbaena IV

Season 1 - Episode 12 - Aired 12/20/2013

When Kojou is disabled in the battle with Kanon, Yukina retreats with him behind La Folia's barrier. Both Yukina and La Folia share their blood with Kojou to aid in his recovery and the awakening of a new power. They have no choice but to rush to Kanon's rescue as her ego slips beyond control and she loses her grip on her humanity.

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The Right Arm of the Saint III
star
8.50
111 votes

#3 - The Right Arm of the Saint III

Season 1 - Episode 3 - Aired 10/18/2013

The morning after the battle against the Combat Deacon and his homunculus, the town is left in ruins. Yukina had been shocked to see how vastly Kojou's power exceeded that of the Familiar, but now she learns that Kojou can't even control his own Familiars. Kojou and Yukina pursue the escaped Eustach and Astarte to an abandoned laboratory, where another intense battle awaits them...

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The Amphisbaena II
star
8.50
96 votes

#4 - The Amphisbaena II

Season 1 - Episode 10 - Aired 12/6/2013

Kojou and Yukina prepare to ambush The Possession Mask, the group responsible for the attacks around Itogami Island... but one of the Possession Mask members they see is Kanase Kanon.

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From the Warlord's Empire IV
star
8.47
102 votes

#5 - From the Warlord's Empire IV

Season 1 - Episode 8 - Aired 11/22/2013

While Kojo and Sayaka have trouble with the Nalakuvera, Yukina engages Gardos in combat. Yukina manages to slice of Gardos's arm, but she loses Gardos who had Asagi and Nagisa captive. Meanwhile, Sayaka offers her blood to Kojo. After Kojo bites Sayaka's neck, he summons a new familiar, a unicorn. Yukina joins Kojo and Sayaka in battle. She notices Sayaka is wearing Kojo's jacket. Yukina informs the two that Asagi had started program that will deactivate the Nalakuvera's system. With the help of Asagi's program, Yukina and the others defeat the Nalakuvera. The third leader of the Lion King organization gives a letter to Vatler.

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The Right Arm of the Saint IV
star
8.46
112 votes

#6 - The Right Arm of the Saint IV

Season 1 - Episode 4 - Aired 10/25/2013

Eustach and Astarte continue their assault, finally launching an attack on the central support of the manmade island. When Kojou learns that Asagi is trapped inside, he's eager to save her, but his inability to control his own Familiars holds him in place. Unable to see him go on like this, Yukina makes a suggestion he never expected...

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The Amphisbaena III
star
8.45
93 votes

#7 - The Amphisbaena III

Season 1 - Episode 11 - Aired 12/13/2013

The deserted island turns out to be a research facility owned by Magus Craft where Kanon's father, Kensei, conducts research. Kojou and Yukina are attacked by a vanguard force, but the one to save them from danger is Princess La Folia of Aldeigia, a young woman with deep connections to both Kanon and Kojou.

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From the Warlord's Empire II
star
8.45
107 votes

#8 - From the Warlord's Empire II

Season 1 - Episode 6 - Aired 11/8/2013

Kojou and Yukina meet Dimitrie Vatler, a nobleman who shows an abnormal degree of affection toward the Fourth Progenitor, and Kirasaka Sayaka, Yukina's old friend also under the employ of the Lion King Organization. When Vatler proposes that Kojou capture some terrorists hiding out on Itogami Island and Yukina volunteers to take care of them instead, Vatler challenges Yukina to test her suitability for the task. And, though Sayaka has always been a friend of Yukina's since childhood, her behavior starts to change...

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From the Warlord's Empire I
star
8.34
107 votes

#9 - From the Warlord's Empire I

Season 1 - Episode 5 - Aired 11/1/2013

It's nearly time for the Saikai Academy ball sports tournament, and Yukina and Nagisa are all fired up to act as cheerleaders! And thanks to the workings of Motoki and Rin, Kojou and Asagi are paired up to participate in the badminton doubles match for their class. Meanwhile, Natsuki is occupied with the capture of some therianthropes that have appeared in the warehouse district, and someone is targeting the Fourth Progenitor again...

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From the Warlord's Empire III
star
8.33
99 votes

#10 - From the Warlord's Empire III

Season 1 - Episode 7 - Aired 11/15/2013

In her excessive defense of Yukina, Sayaka launches an attack on Kojou, but he can't control his powers. Yukina's arrival prevents the situation from growing dire, but Yukina leaves them both on the school roof to think about what they've done.

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The Right Arm of the Saint II
star
8.27
113 votes

#11 - The Right Arm of the Saint II

Season 1 - Episode 2 - Aired 10/11/2013

Yukina moves into the room next to Kojou's. When Kojou sees that she only has a bare minimum of furniture and necessities, he takes her to a hardware store. Kojou's younger sister Nagisa also insists on hosting a welcome party for Yukina, adding up to a very lively day.

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The Amphisbaena I
star
8.23
99 votes

#12 - The Amphisbaena I

Season 1 - Episode 9 - Aired 11/29/2013

Elsewhere, a blonde woman with a spear engages in battle with a mage. Then, mysterious being with angel-like wings appear. Next day, Kojo recalls his kiss with Asagi. In class, Asagi asks Kojo to let her paint a portrait of him. When Kojo won't dress up, Asagi undresses to make Kojo comfortable. While Asagi takes picture of Kojo, Kojo takes pictures of her. Afterwards, Asagi wonders what secrets Kojo is hiding. Meanwhile, Kojo finds his sister with a young man. He and Yukina follow Nagisa to the rooftop. Kojo thought the two were doing something indecent. It turns out that Nagisa and her friend were looking after a cat. Then, Kojo and the others meet a new girl, Kanase Kanon. Kanase leads Kojo and Yukina to a church overrun by cats. Meanwhile, Natsuki, Motoki, and Vatler talk about the injuries on a young girl.

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Empire of the Dawn II
star
8.18
56 votes

#13 - Empire of the Dawn II

Season 1 - Episode 24 - Aired 3/28/2014

Shortly after Yukina lost the use of Schneesturm Wolfin and received an order to return to the Lion King Organization, Itogami Island begins to fall apart under attacks from a magical beast that consumes dragon veins

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Seize the Twelve Beast Vassals II
star
8.09
11 votes

#14 - Seize the Twelve Beast Vassals II

Season 4 - Episode 11 - Aired 6/30/2021

Return of the Alchemist I
star
8.04
55 votes

#15 - Return of the Alchemist I

Season 1 - Episode 20 - Aired 2/28/2014

Yukina and the other middle school girls are preparing to embark on Saikai Academy's traditional training camp. Yukina is worried about leaving Kojou as she has been released from her observer duties for the trip's duration, but Kojou tells her with a smile to go enjoy her time off.

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Return of the Alchemist III
star
8.04
56 votes

#16 - Return of the Alchemist III

Season 1 - Episode 22 - Aired 3/14/2014

In his quest to resurrect Wiseman, Amatsuka has finally launched an attack on the ferry carrying Yukina and her classmates. Kanon, believing the others will be safe if she's gone, confronts Amatsuka and tells the sad story of what happened at the monastery five years ago.

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Return of the Alchemist II
star
8.03
58 votes

#17 - Return of the Alchemist II

Season 1 - Episode 21 - Aired 3/7/2014

Asagi has been caught up in Kou's attack. Kojou and Yukina rush to save her, deciding to take her to Mimori's lab for treatment... but when they stop at Kojou's place on the way, another personality takes over Asagi's body.

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Fiesta for the Observers I
star
8.00
58 votes

#18 - Fiesta for the Observers I

Season 1 - Episode 16 - Aired 1/31/2014

Kojou comes out of the battle with his own body back, but both Yuuma and Natsuki have fallen. The true prison barrier has been revealed along with Yuuma's mother, Tokoyogi Aya, and the other magic criminals who were incarcerated within.

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Fiesta for the Observers IV
star
8.00
59 votes

#19 - Fiesta for the Observers IV

Season 1 - Episode 19 - Aired 2/21/2014

Through Sana, Yukina sees a memory of Natsuki and Aya ten years ago, and then dreams of a happier world she shares with Kojou, Sayaka, and their friends.

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Empire of the Dawn I
star
8.00
52 votes

#20 - Empire of the Dawn I

Season 1 - Episode 23 - Aired 3/21/2014

"Goodbye, Himeragi..." After hearing Kojou say this to her in a dream, Yukina begins to contemplate her future and the coming of the day when she may have to leave Kojou's side.

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The Right Arm of the Saint I
star
7.95
123 votes

#21 - The Right Arm of the Saint I

Season 1 - Episode 1 - Aired 10/4/2013

Itogami Island is a manmade island in the middle of the Pacific Ocean where summer never ends. A high school student at Saikai Academy, Akatsuki Kojou, is on his way home from studying with his classmates, Aiba Asagi and Yaze Motoki, when he notices a girl in the Saikai Academy middle school uniform following him.

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Labyrinth of the Blue Witch II
star
7.95
56 votes

#22 - Labyrinth of the Blue Witch II

Season 1 - Episode 14 - Aired 1/17/2014

Still stuck in Yuuma's body after the mind switch, Kojou rushes to see Yukina and the other girls. At first they're unsure whether to believe him, but after an explanation, Kojou and Yukina try to locate Yuuma in Kojou's body as they draw closer to unraveling the mystery of the witch of the void.

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Labyrinth of the Blue Witch III
star
7.93
56 votes

#23 - Labyrinth of the Blue Witch III

Season 1 - Episode 15 - Aired 1/24/2014

Yuuma's goal was to use the Fourth Progenitor's magic power to free her mother from the prison barrier. In accordance with her plans, the prison barrier appears above the ocean's surface near Itogami Island.

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Swords-Shaman of Shadow III
star
7.92
12 votes

#24 - Swords-Shaman of Shadow III

Season 2 - Episode 3 - Aired 12/23/2016

While Asagi investigates, she is interrupted by Lydianne Didier, who reveals that she is working for the Taishikyoku, managing the LYL program and will protect their systems against all comers. She challenges Asagi to hacking combat and begins her attack. Lilith's spirit awakens early and automatically, contrary to Kazuomi's schemes.

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Fiesta for the Observers II
star
7.92
59 votes

#25 - Fiesta for the Observers II

Season 1 - Episode 17 - Aired 2/7/2014

Kojou and company search for Natsuki, whose spiritual powers were stolen by Aya's grimoire and is now missing. Just ...

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