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From left to right, "Loki", "Odin" and "Thor" towering over Team Ragnarok.
From left to right, "Loki", "Odin" and "Thor" towering over Team Ragnarok.
  • きょくしん
  • 極神 (base)
  • きょくしん (ruby)
  • Kyokushin (romanized)
  • Polar God (translated)
  • Nordic God (anime)
  • Ases
  • Der Asen
  • Aesir
  • 극신
  • 極神 (Hanja)
  • Geuksin (romanized)
  • Polar God (translated)
  • Aesir
  • Aesir
Anime appearances

"Aesir", known as "Polar God" (きょくしん Kyokushin) is an archetype of three mysterious deity-like Synchro Monsters used by Team Ragnarok in Yu-Gi-Oh! 5D's. They are named "Three Polar Gods of the Star World" (せいかいさんきょくしん Seikai no San Kyokushin) in the Japanese anime, and "Nordic God" and "Polar Star God" in the dubbed version.

In the anime, the "Aesir" monsters are DIVINE Divine-Beast monsters. They are the only Synchro Monsters that are either DIVINE or Divine-Beast in any medium. However, their Attributes and Types were changed in the OCG. "Loki, Lord of the Aesir" is a DARK Spellcaster, "Thor, Lord of the Aesir" is an EARTH Beast-Warrior and "Odin, Father of the Aesir" is a LIGHT Fairy. Each member of Team Ragnarok possesses one of these cards.



Yu-Gi-Oh! 5D's[edit]

In the Yu-Gi-Oh! 5D's anime, the 3 "Aesir" cards were found by the three Duelists who possessed the Rune Eyes. Each card was found within a cave dominated by a shrine made of tree roots, ostensibly in reference to the "World Tree" Yggdrasil, which connects the Nine Realms of Norse mythology. Among the Nine Realms are Asgard, land of the Æsir, and Midgard, home of humans and another name for Earth, thus these shrines may symbolize a connection to Asgard itself, hence the power of the "Aesir" cards.

In the anime, the powers of these Gods rival that of the Crimson Dragon. When "Thor" clashed with "Red Dragon Archfiend", both monsters emitted a strange energy pulse, wreaking havoc around the Dueling arena and drastically upsetting the weather outside the stadium.[1] During Team Ragnarok's match against Team 5D's, the attacks of the Aesir dealt real damage to Jack and Crow.

These cards also protected Team Ragnarok and their memories from the Three Pure Nobles' alterations of the timeline.[2]


The three "Aesir" monsters are named for the most prominent among the Æsir of Norse mythology: Odin, the so-called Allfather and king of the Æsir; Thor, known as the god of thunder and strongest among the gods; and Loki, a notorious trickster and Jötunn who was usually associated with the Aesir until orchestrating the death of Baldr, for which he was tied to a stone as punishment until Ragnarök, the end of the world.

The term “Polar God” could refer to the Scandinavian origins of Norse myths, as the region stretches up to the Arctic Circle and therefore towards the North Pole.

Notably, while the term “Æsir” is usually spelled with the letter ash (Æ/æ), the TCG spells it “Aesir,” likely for familiarity with an audience that largely doesn’t use said character, being most common in Scandinavian languages like Danish and Norwegian.


Æsir Supported archetype Holder
Odin, Father of the Aesir Nordic Ascendant Halldor
Thor, Lord of the Aesir Nordic Beasts Dragan
Loki, Lord of the Aesir Nordic Alfar Broder

The "Aesir" monsters are supported by the "Nordic" archetype.


The following cards are "Aesir"-specific support cards that are not members of the "Nordic" archetype.

Card Origin
Gotterdammerung Götterdämmerung (German translation of the Old Norse phrase Ragnarök)
March Towards Ragnarok
Divine Relic Mjollnir Mjölnir
Solemn Authority
Odin's Eye One of Odin's eyes, which he gave up in order to drink from the well of Mímir.


The card "The Golden Apples" is thematically related to the archetype, and was used by Broder in the anime.

Card Origin
The Golden Apples The golden apples of Iðunn
Malus Token

Playing style[edit]

The "Aesir" Deck is focused on Synchro Summoning "Odin", "Loki" and/or "Thor" using the "Nordic" monsters, and use dedicated "Aesir" support cards to control the field.

Each of the three "Aesir" monster is Level 10, and requires 1 Tuner from their associated "Nordic" sub-archetype and two non-Tuner monsters to be Synchro Summoned. While historical "Aesir" decks relied on using individual Tuners from each of the "Nordic" sub-archetypes, the current main "Nordic" Tuner is "Nordic Beast Gullinbursti", who can be used to Synchro Summon any of the "Aesir" monsters, and can provide easily accessible advantage on the field.

The "Aesir" monsters have situational on-field effects, as well as a slow self-revival effect. Aside from niche situations, they are largely protectionless glorified beatsticks summoned only to enable their support cards. The main high-power card that is enabled by controlling "Aesir" monsters is "Nordic Relic Svalinn", a Continuous Trap that serves both as a negate and a revival for "Aesir" monsters.

In order to quickly access the "Nordic" Tuner and non-Tuner monsters for Synchro Summoning, the Deck heavily relies on the effect of its Link 1 monster, "Gullveig of the Nordic Ascendant". "Gullveig", once Link summoned, can banish up to 3 cards from the player's hand or field to Special Summon that many "Nordic" monsters from the Deck, but locks the player into only summoning "Aesir" monsters for the rest of the turn. "Gullveig" can easily set up the summon of an "Aesir" by itself; its heavy banish requirement is typically circumvented with cards like "Hippo Carnival", since it banishes only at resolution. Other card advantage-genrating engines are also useful for mitigating the costs of "Gullveig".

"Gullveig" also provides protection to "Aesir" monsters it points to, making them harder to remove.

Aside from their Tuner monsters, other notable "Nordic" monsters include:

  • "Nordic Smith Ivaldi", who is a free extender from hand, and can search "Nordic Relic" cards.
  • "Tanngrisnir of the Nordic Beasts", who summons two Level 3 tokens if destroyed by battle.
  • "Tanngnjostr of the Nordic Beasts", who can conditionally Special Summon itself from the hand, and can summon another "Nordic Beast" monster from the Deck if it changes from Defense to Attack position.
  • "Dverg of the Nordic Alfar", who can recover "Nordic Relic" cards from the Graveyard.
  • "Alviss of the Nordic Alfar", who, if it is the only card banished by a "Nordic" Link Monster (i.e. "Gullveig"), it can perform a pseudo "1-card-Synchro" of any "Aesir" using 1 "Nordic" monster on the field and "Nordic" monsters from the Deck; it provides a less costly alternative to banishing 3 cards with "Gullveig" while still setting up the summon of an "Aesir". It also has a once per Duel GY effect to Special Summon a new "Aesir" from the Extra Deck when one is destroyed.

Other notable "Nordic Relic" cards searchable by "Nordic Smith Ivaldi" include "Gungnir", a card-destroying Trap, and "Hlidskjalf", a restrictive summon-from-Deck searcher that locks the player into "Aesir" monsters while the summoned monster is on the field, preventing the player from easily accessing "Gullveig".


  • "Gullveig" is the Deck's main playmaker, and is thus also its main chokepoint. Without "Gullveig", the Deck becomes much less consistent in performing its combos.
  • The deck can only consistently make "Nordic Relic Svalinn" as a disruption, making its end boards extremely predictable and relatively easy to play through.
  • Anti-GY floodgate (e.g. "Macro Cosmos") can prevent the Deck from using its recovery options.


  1. Yu-Gi-Oh! 5D's episode 118118: "A New Rival"
  2. Yu-Gi-Oh! 5D's episode 117117: "The Distorted Past"