As of July 2026, King's Raid: Successors of the Will Season 1 aired in 2020 with 26 episodes — streaming now on Crunchyroll. Full episode guide and where to watch below.
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King's Raid: Successors of the Will Season 1

2020 26 Episodes Animation · Action & Adventure ⭐ 8/10

King's Raid: Successors of the Will Season 1 is currently streaming on and , and it earns its premise rather than just borrowing genre trappings. A compact run that never overstays its welcome. Its 8/10 TMDB score, built from 55 ratings, reflects a title that consistently delivers. Kaito Ishikawa leads a cast that never lets the concept overwhelm the characters. Start it whenever you need something guaranteed to land.

King's Raid: Successors of the Will Season 1 arrived without much fanfare and built its audience the hard way — through word of mouth. King's Raid: Successors of the Will Season 1 treats its concept seriously enough to follow it all the way through. Season 1 of King's Raid: Successors of the Will includes 26 episodes. It aired from October 2020 to March 2021. This season stars Kaito Ishikawa, Ai Kakuma and Ari Ozawa. Kaito Ishikawa and Ai Kakuma lead a cast that brings real weight to the material. It was aired in 2020. The rules of King's Raid: Successors of the Will Season 1's world are consistent enough that the big swings never feel like cheating. The hit rate here is high enough that skipping ahead never feels like an option.

Viewers burned by ambitious sci-fi that could not sustain its premise should give King's Raid: Successors of the Will Season 1 a chance. It stands on its own even without an obvious comparison point. A contained run means every episode is doing real work. Kaito Ishikawa anchors it with a performance that makes the more abstract moments feel personal. If you have been burned by ambitious sci-fi before, this is the exception.

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🎬 King's Raid: Successors of the Will Season 1 — Episode Guide

E1
The Demons that Lurk in the Moonlight
2020-10-03
Kasel, an apprentice knight, spends his days being trained by his best friend, Clause. One day, Demon sightings are reported near the town, and Clause is sent to investigate.
E2
The Truth, Revealed
2020-10-10
Kasel and Frey reach the King's Forest, and find the corpses of the scouting party that came before them. However, they are unable to find Clause, and are attacked by Demons.
E3
What the Predecessors Left Behind
2020-10-17
Dominix explains to Kasel and Frey what really happened 100 years ago, when King Kyle fought and seemingly defeated the Dark Lord Angmund. With Demonic activity on the rise, Dominix believes it is time for Kasel to go on a journey of his own.
E4
The Forest and the Elves
2020-10-24
Kasel and his companions reach the Forest of Elidora, and is greeted by Selene, an elf. She agrees to lead them to their destination, but neither she nor the rest of the forest hide their resentment towards humans.
E5
The Power of the Holy Sword
2020-10-31
With the Demon threat vanquished, Kasel meets Lorraine, the Great Sage of the Forest of Elidora. He asks her to unseal the Holy Sword for him, but to his surprise, she declines.
E6
Maven of Fire
2020-11-07
The party arrives at a new town, where they decide to spend the night. They meet Madam Volf, an old restaurant owner with a past.
E7
The Target of Hatred
2020-11-14
Riheet and the Black Edge continue to score victories against the rising Demonic threat. The princess of Orvelia, Scarlet, notices their achievements and welcomes their help. However, not all of the nobles feel the same way.
E8
Memories in the Eyes
2020-11-21
The party stops by a small village to resupply. There, they meet a group of refugees who lost their homes to a Demon attack. Among them is Elise, who has a look in her eyes that strongly reminds Frey of someone else in the past.
E9
Scars of the Dead
2020-11-28
On their way to Ogria Mountain, Kasel and his companions find a town that was recently attacked by Demons. There is only one survivor, who seems to have a secret of some kind.
E10
Individual Motives
2020-12-05
The Black Edge are now heroes of Orvelia. After every sortie, the townsfolk greet them warmly. Even though the battle and Riheet's plans still have a long way to go before completion, Tamm's motivations are diverted by a personal interest.
E11
Orcish Pride
2020-12-12
Kasel and his friends arrive at the Red Valley, home to the Orcs. Kasel must meet the Orc chief to unseal the Holy Sword, but the Orcs are not particularly fond of humans.
E12
The Time for Trial
2020-12-19
Kasel enters the Orcs' Holy Shrine to receive his test and prove that he is the true heir to the Holy Sword. It is a test of the heart, mind, and will.
E13
To My Dear Friend
2020-12-25
[RECAP] Kasel loses control of his power, and falls unconscious. While taking care of him, Frey writes a letter to Clause, recalling the events of their journey so far.
E14
The Entrance to the Abyss
2020-12-26
Scarlet, as supreme commander, decides to send the knights of Orvelia to investigate the Galluah Plains, where the Dark Lord appeared 100 years ago. She will lead the expedition herself, and the Black Edge will serve as the vanguard.
E15
Battle in the Badlands
2021-01-08
Malduk appears before the Black Edge, and unleashes a torrent of cruel, relentless attacks. Meanwhile, Kasel, who fell unconscious after his rampage, finally wakes up.
E16
The Mercenary with Wings of Freedom
2021-01-15
Though Kasel is still worried about how he lost control during combat, the group continue their voyage to unseal the Holy Sword. On their way to their next destination, they meet Reina, a mercenary.
E17
Scars of Loss
2021-01-22
The Black Edge are wiped out by Malduk, and only Riheet survives. Rescued by Scarlett, Riheet is taken to a nearby village to recover.
E18
A Night of Reminiscing
2021-01-29
Kasel, Roi, Frey and Cleo are nearing the Windland Snow Mountains. They are attacked by another undead. This encounter brings back memories of the past for Roi, which he shares with Kasel.
E19
Secret Determination
2021-02-05
Even in the outskirts, intermittent Demon attacks plague Kasel and his companions. As they enter the Windland Snow Mountains, they also face difficult weather. Time is running out, but they are forced to rest when Frey falls unconscious.
E20
The Solitary Sorcerer
2021-02-12
Kasel and his companions finally reach the icy cave that is the home of Pavel, who holds the final key to unsealing the Holy Sword. However, without uttering a word, Pavel isolates Kasel with a magic wall and begins attacking him.

🎭 Cast of King's Raid: Successors of the Will Season 1

Kaito Ishikawa
Kaito Ishikawa
Kasel (voice)
 Ai Kakuma
Ai Kakuma
Frey (voice)
Ari Ozawa
Ari Ozawa
Cleo (voice)
Kengo Kawanishi
Kengo Kawanishi
Roi (voice)
Ryota Suzuki
Ryota Suzuki
Riheet (voice)
Yoshino Nanjo
Yoshino Nanjo
Ripine (voice)
Juri Nagatsuma
Juri Nagatsuma
Selene (voice)
Masaya Matsukaze
Masaya Matsukaze
Kyle (voice)
Ryotaro Okiayu
Ryotaro Okiayu
Dominicus (voice)
Yuuki Takada
Yuuki Takada
Reina (voice)

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