Headliner of Reigning Supreme

A pitch shifter is an electronic device used in sound recording that alters an original sound by raising or lowering its pitch.

Great Mixer is based on a mixer used in sound recording—a device for merging input sounds to produce a combined output.

Falsetto is the "false" (singing) voice in any human, usually airy and lacking a purity of vowels. It is created by using the next highest vocal folds above those used for speech and normal-range singing.

Royal Demons Extreme is likely named after extreme metal—a loosely defined umbrella term for a number of related heavy-metal music subgenres that have developed since the early 1980s (such as thrash metal, death metal, black metal, and doom metal). It usually refers to metal that is harsher, heavier, more aggressive, and less commercialized than other subgenres.

Thunderbeat Crash is named after a crash cymbal—a type of cymbal that produces a loud, sharp "crash" and is used mainly for occasional accents in drumming.

The Sound of Piano Heard After School is based on the Beethoven Mystery—an urban legend in Japan claiming that if one visits their school's music room at night, the portraits of famous classical musicians, including Beethoven, come to life in various eerie ways.

The artwork also depicts Musician King—an early-era Fusion Monster from the OCG—as one of the portraits.

Phisto is possibly a pun on fist and Mephisto—one of the chief demons of German literary tradition.

Lauan (Rawan) is the common name for the trees in the genus Shorea—known for their egg-shaped, winged fruit.

Lauan Macho Dex is named after caudex—the axis of a woody plant, especially a palm or tree fern, comprising the stem and root.

Lauan Sister Heart is named after heartwood—the dense inner part of a tree trunk, yielding the hardest timber.

Balsah is a twist on balsa—a fast-growing tropical American tree from which a very lightweight wood is obtained, used chiefly for making models and rafts.

Skyphorbia is a portmanteau of skyfish (elongated visual artifacts appearing in photographic images and video recordings, sometimes believed to be paranormal) and Euphorbia (the plant genus that comprises the spurges).

UMP stands for Unidentified Mysterious Plant, a nod to UMA ("Unidentified Mysterious Animal")—the term used in Japan to refer to cryptids.

Coredrasil is a combination of core (referring to a tree core—a cylindrical sample extracted from a tree trunk) and Yggdrasil (the mythical ash tree that supports the Nine Realms of Norse mythology).

Healthie is twist on healthy.

Cafferine is likely a play on caffeine, taurine—a sulfur-containing amino acid important in the metabolism of fats and commonly present in energy drink—and a feminine name like Catherine.

Shuanglong could be interpreted to mean "twin dragons" in Chinese. This phrase comes up in certain mahjong-related terms—with this monster's three-pronged staff being emblazoned with the two kanji for mahjong on either of its ends.

Lamilla is a portmanteau of lamia (a mythical monster, with the body of a woman or with the head and breasts of a woman and the body of a snake, said to prey on human beings and suck the blood of children), Carmilla (a female vampire from the Gothic novella of the same name, written by Irish author Joseph Sheridan Le Fanu and considered to be the foundational work of English-language vampire literature), and lamella (referring to lamellar-structure lipids—lipids that arrange themselves into layered, sheet-like structures, most commonly discussed in the context of skin science).

Healthie Rem is named after REM sleep—a critical stage of sleep where most vivid dreaming occurs, brain activity is high, and the body undergoes essential processes for memory, emotional regulation, and overall health.

Olivia is a reference to the olive wreath—the prize for the winner at the ancient Olympic Games.

Sati is named after a Pali term referring to awareness or skillful attentiveness in Buddhism.

It could also refer to the Hindu goddess Sati—Shiva's first wife, and after her death, reincarnated as Shiva's next wife, Parvati.

The term sati also exists in Sanskrit—referring to a historical Hindu practice of a widow immolating herself after her husband's death, usually on her husband's funeral pyre.

Omitsu is a character from the Ganbare Goemon series of video games—the girlfriend of the titular character Goemon. She is portrayed as the most popular belle of Edo (the town serving as the main setting for the series) and works at the local tea shop. Known for her volatile temper, she frequently gets angry at Goemon's attempts to flirt with other girls.

SASUKE is based on Sasuke from the Ganbare Goemon series—one of the main protagonists in the series. He is depicted as a skilled ninja robot (dubbed a Clockwork Ninja in the series) created by the Wise Old Man, suited for various forms of combat.

The Japanese term used for Clockwork here (Karakuri) refers to traditional Japanese mechanized puppets or automata, made from the 17th century to the 19th century.

Yae the Special Investigations Ninja is based on Yae, one of the main protagonists in the Ganbare Goemon series—a kunoichi working for a ninja group focused on secret investigations (known as the Secret Special Investigations Ninjas in the series).

Yebisu is based on the Ganbare Goemon character Ebisumaru—Goemon's longest-standing partner and best friend, depicted as a pudgy ninja with an eccentric personality.

Ninja of Justice is a reference to Ebisumaru's self-proclaimed title in the games.

Goe Goe the Ninja of Rumors (pronounced as "GO-eh GO-eh") is based on Goemon—the main protagonist of the Ganbare Goemon series. In the games, he is known to use attacks involving the throwing of gold coins.

The card's artwork is a reference to the cover art of Ganbare Goemon! Karakuri Dōchū—the second game in the Ganbare Goemon series and the first to be released on a video game console and home computer.

Clockwork Walker is based on the Karakuri Walker invented by the Wise Old Man in Ganbare Goemon 3: Shishi Jūrokubē no Karakuri Manjigatame.

Arthene (pronounced as "AHR-theny") is a mix of Athena or Athene (an ancient Greek goddess associated with wisdom, warfare, and handicraft) and Arthena Parthenos (lit. "Athena the Virgin")—a monumental chryselephantine sculpture of the goddess Athena.

Ein Sof means "infinite" or "without end" in Hebrew. In Kabbalah, this term refers to God prior to His self-manifestation in the production of any spiritual Realm.

Ritter is the German word for "knight."

Magical Weapons-Knight (Madōheiki) is pronounced the same as the Japanese phrase used for Magical Weapon—but with the last kanji instead being the kanji ki used in the Japanese word for "knight" (kishi).

The poses used for Soitsu and Doitsu are a reference to the poses of their corresponding characters in the instruction manual for the 1995 Konami video game Jikkyō Oshaberi Parodius.

Eliza Lamilla is a mix of the names of Elizabeth Báthory—a Hungarian noblewoman and alleged serial killer from the powerful House of Báthory, described in legends as having vampiric tendencies—and Lamilla ("lamia" + "lamella" + "Carmilla").

Tigasati is a mix of tiger and Sati.

The artwork depicts the monster doing the Vyaghrasana ("Tiger Pose") in yoga.

Yae the Secret Special Investigations Mermaid is a reference to Yae's Mermaid Transformation Technique in the Ganbare Goemon series, which allows Yae to transform into a mermaid and swim underwater.

Her second artwork is a reference to when Yae uses her mermaid transformation while on land—shown as her being trapped inside a carp streamer.

Goe Goe, the Outlandishly Ostentatious Lion of Rumors is a reference to Goemon's Invincible Transformation Technique in the 1991 game Ganbare Goemon: Yukihime Kyūshutsu Emaki, dubbed the Shishimaru Technique (shishi meaning "lion" in Japanese).

Outlandishly Ostentatious (Kabuki) comes from the Japanese phrase kabukimono—referring to the outlandishly dressed, sword-swaggering delinquent dandies of the late Sengoku and early Edo periods in Japan. The phrase itself evolved into the term for kabuki—a classical form of Japanese theater, mixing dramatic performance with traditional dance for its heavily stylized performances, its glamorous, highly decorated costumes, and for the elaborate kumadori make-up worn by some of its performers (similarly to how this monster is dressed).

Wild Gunslinger (Kyōgeki) is a pun on the Japanese word for "extreme" or "radical" (also pronounced as kyōgeki)—but with the second kanji instead being the geki meaning "attack" (also used in terms related to shooting and marksmanship).

Healthy's High! is a pun on the phrase runner's high—a feeling of euphoria that is experienced by some individuals engaged in strenuous running and that is held to be associated with a release of endorphins by the brain.

Healthy in Mind: Quick-Time Buzzer Battle! is a reference to the Japanese quiz show Trans-America Ultra Quiz, which aired primarily in the 80s and 90s and whose quiz format became popular throughout Japan.

While There's Health, There's Throwing Stuff! (Kenkō-atte no Mononage) is a pun on the Japanese idiom inochiattenomonodane—equivalent to the English expression, "While there's life, there's hope."

Helpful Items depicts three items from the Ganbare Goemon series of video games, primarily used for increasing the player's stats or passing through locked checkpoints.

Take a Short Break depicts one of the shop selling in-game items in the Ganbare Goemon series. The items depicted are typically used to protect from damage, restore health, or more easily navigate certain areas in the game.

Invincible Transformation Technique is a reference to a special technique available to Goemon in the Ganbare Goemon games—which allows him to become invulnerable for a short period of time.

Special Transformation Technique is a reference to Yae's Mermaid Transformation Technique from the Ganbare Goemon series.

Arthene's Holy Crusade is possibly a reference to how, in Greek mythology, Athena was the one who gave Perseus his bronze shield so that the latter could use it in slaying the Gorgon.

Instant Gift is a combination of the OCG Magic Cards Instant Neospace and Spacia Gift.

Pages Unbound in the Dead of Night is a reference to the OCG's Diabellstar storyline encompassing multiple cards across themes.

The artwork depicts Diabellstar the Black Witch along with a sleeping Snake-Eyes Populus.

This card's effect to Special Summon a Monster Card from the Magic & Trap Zone is a reference to the Snake-Eye theme's gimmick around placing monsters in and out of the Magic & Trap Zones in the OCG.

The Japanese phrase used for Pages Unbound in the card name (Himotoki) comes from the verb himotoku—literally meaning "to unbind" or "to unravel" (as one would do with old books in the form of scrolls bound together with cords). Today, the phrase is used figuratively to refer to the act of reading a book itself.

Over-the-Top Climax: Demons Dive is a follow-up counterpart to Intense Singing: Demons Rock—another Trap Cards related to the Royal Demons theme.

Over-the-Top Climax (Zecchō) is a pun on the Japanese word for a climax (also pronounced as zecchō)—but with the last kanji instead being the one meaning "super" or "ultra."

Demons Dive is a reference to a stage dive typically performed during rock concerts—in which a singer leaps from a concert stage onto the crowd below.

Grand Mole is a pun on the similar pronunciations between grand and ground (with this monster being the Earth-Attribute Neospacian).

Elemental HERO Earth Neos is inspired by the OCG's Elemental HERO Grand Neos—to which it also has a similar effect.

Reshef or Resheph was a god associated with war and plague, featured in Eblaite, Ugaritic, and Egyptian myth.

Surtr is a figure from Norse mythology—a fire giant (jötunn) prophesied to lead the forces of Muspelheim against the gods at Ragnarök, wielding a flaming sword said to outshine the sun and ultimately setting the entire world ablaze.