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* The runes around the rim This is a [[cover card]] of the seal is ''[[Extra Pack 2012]]'', as well as ''[[Legendary Collection 3: Yugi's World]]'' and its [[wikipediaLegendary Collection 3:EnochianYugi's World Mega Pack|EnochianMega Pack]] (it spells "Oreichalcos" twice). This language was supposedly from the angels who passed this to John Dee, although skeptics believe it was man-made. Enochian is better known as "the language of the angels."

* The geometric figureThis seal appears in the artworks of "[[Orichalcos Deuteros]]", a "[[wikipedia:unicursal hexagram|unicursal hexagramOrichalcos Shunoros]]", on the card is the same symbol "[[Orichalcos Sword of modern ThelemaSealing]]", and "[[Orichalcos Tritos]]".

* In The runes around the Japanese anime, outer rim of the lore on seal are the other Orichalcos cards are also characters written in the [[wikipedia:Enochian|Enochian. The lore on ]] language, spelling out "The Seal of OrichalchosOREICHALCOS" seems to be made of random characters (based on translating "Oreichalcos") twice.** The geometric figure inside the first several runes into lettersseal is a [[wikipedia:unicursal hexagram|unicursal hexagram]]. In a ''Yu-Gi-any directionOh! Trading Card Game'' blog post on Konami's website, it is called a "double-[[wikipedia:chevron (insignia)|chevron]] pattern".<ref name=firstline>[https://yugiohblog.konami.rightcom/articles/?p=4217 Yu-left, leftGi-right, upOh! TRADING CARD GAME » The Seal of Orichalcos: The First Line]</ref> ** In the original Japanese version of the [[Yu-down, downGi-upOh! (anime)|''Yu-Gi-which do not translate into any known words according to any Enochian dictionary)Oh!'']] anime, thus the other lore texts text on all "[[Orichalcos]]" cards are assumed to be likewise (references to be provided soon). Howeveralso written entirely in Enochian runes, since the runes seem to have a pattern except for "[[Orichalcos Sword of Sealing]]"Up-Up. Coincidentally, Down-Down, Left-Right, Left-Right." You could say it Orichalos Sword of Sealing" is a parody of the Konami Codeonly "Orichalcos" card to not be used by [[Dartz]], instead used by [[Rafael]].

* In the Japanese anime, there is a discrepancy between the number of runes spelling the word "Orichalcos" for the card title (10) and on the Seal of Orichalcos itself (11; the word "Orichalcos" is on the rim twice). The added rune is called "graph" (the added letter is "e"). The spelling of the card title This is actually "Orichalco<u>n</u>" and the runes on the seal itself spell "or<u>e</u>ichalcosonly [[Field Spell Card]] that can only be activated once per [[Duel]]."

* This is as the first card previously existed under to prevent the user from [[Upper Deck EntertainmentSpecial Summon]] banner. There are only 15 copies of this version in existence, all in the possession of members of ing from their [[Upper Extra Deck Entertainment]]'s R&D division and one in the hands of someone else, who used them in the Decks they played in the Orichalcos "[[Duel the Master]]" side event at previous [[National Tournament]]s. The current status of these cards is unknown, as they haven't been used since [[Konami]] reclaimed distribution and organization rights.

* Before its confirmed release, this This is the only card was among other cards that are rumored known to be kept from the everyday person. "[[Power Balance]]" is rumored to be one, as is have received a copy of "printed [[The Winged Dragon Seal of Ra Orichalcos (originalmock-up)|The Winged Dragon of Ramock-up]]" with the Hieratic text in place of the flavor text.{{fact}}

* Just as This is the Orichalcos’ doublefirst [[anime-chevron pattern has 6 points only|anime-exclusive]] card to its design, The Seal of Orichalcos has 6 sentences of textbe released a [[TCG exclusive|''TCG''-exclusive]] card.

* This is the only card previously existed as an [[Field Spell CardUpper Deck Entertainment promotional card]] and non-Monster card that can . There are only be activated "Once Per Duel".** This and "15 copies of the [[Emperor's ChargeUpper Deck Entertainment]]" are version in existence, all in the only cards possession of members of Upper Deck Entertainment's R&D division, one of which was used in the game that prevent Decks they played in the user from Special Summoning from Orichalcos "[[Duel the Extra DeckMaster]]" side event at previous [[National Tournament]]s.** So far{{fact}} The current status of these cards is unknown, this is the only Field Card that destroys its owneras they haven's Special Summoned monsters when it activatest been used since [[Konami]] reclaimed distribution and organization rights.

* One This card's ''[[OCG]]''/''[[TCG]]'' effects are based on its effects in the ''Yu-Gi-Oh!'' anime. In the above-mentioned blog post on Konami's website, the number of sentences of the text in this card's ''TCG'' print of this card matches the number of lines and points in this seal's symbol.<ref name=firstline/>** This card's first effect to increase the user's monster's [[ATK]] by 500 is the only effect identical to its anime counterpart.** This card's second effect, preventing it from being destroyed [[once per turn]], is based on how [[Yami Yugi]] attempted to destroy [[Gurimo]]'s copy of these effects this card with "[[Dust Tornado (anime)|Dust Tornado]]"; while Gurimo claimed the card could not be destroyed at all, since it was never attempted to be destroyed again, Konami asserts that Gurimo was intentionally deceiving Yugi.<ref name="blanks" />** This card's third effect, preventing the opponent's monster from targeting the player's monster with the lowest ATK for attacks, is based on its anime counterpart's effect to prevent the opponent from attacking monsters placed in the [[Spell & Trap Zone]] by its other effect. This effect is similar identical to that of "[[Pixie Ring]]", which Konami pointed out when announcing it.<ref name=blanks>[https://yugiohblog.konami.com/articles/?p=4270 Yu-Gi-Oh! TRADING CARD GAME » The Seal of Orichalcos: Filling in the Blanks]</ref>** This card's fourth and fifth effects, preventing the user from Summoning monsters from the Extra Deck and destroying Special Summoned monsters, is based on what happened when this card was played by Yami Yugi, destroying "[[Dark Magician Girl the Dragon Knight (anime)|Dark Magician Girl the Dragon Knight]]" and reverting it to its unfused state, and the fact that Yugi, [[Dartz]], [[Rafael]], [[Valon]], and [[Alister]] did not Fusion Summon after it was activated.<ref>[https://yugiohblog.konami.com/articles/?p=4229 Yu-Gi-Oh! TRADING CARD GAME » The Seal of Orichalcos: The Fourth & Fifth Lines]</ref>*** Notably, [[Rex Raptor]] did [[Fusion Summon]] "[[Horned Saurus (anime)|Horned Saurus]]" while controlling this card in {{episode|Yu-Gi-Oh!|161|ref}}. When "[[Horned Saurus]]" was later released in the ''OCG''/''TCG'', it was given an effect to place a [[Field Spell Card]] on the field, allowing it to coexist with "The Seal of Orichalcos".** This card's sixth effect "once per Duel" [[condition]] is based on how a [[Duelist]] who uses this card once in a Duel will not be able to use it again, as either they will win the Duel and trap their opponent's soul in the card, or they will lose the Duel and their soul along with it (barring [[DRAW]]s).<ref name="blanks" />