Overview
エテルニタス・ルドロジー (～AETERNITAS LUDOLOGY～) brings IRON ATTACK!'s signature power-metal energy to the Touhou arrange scene, drawing from two of 東方永夜抄 ～ Imperishable Night's most intense tracks. The song remixes the Extra Stage BGM エクステンドアッシュ～蓬莱人 alongside the boss theme 月まで届け、不死の煙, both themes tied to the immortal half-human half-phoenix Fujiwara no Mokou. Arranger IRON-CHIYO and vocalist minusiyon craft a relentless, driving arrangement that mirrors the phoenix motif, with lyrics in Japanese that touch on eternal flames, crimson illusions, and the weight of centuries.
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Trivia
- The song's full title notation is ～AETERNITAS LUDOLOGY～, 'Aeternitas' (Latin for eternity) combined with 'Ludology' (the study of games and play). This was the original title used on the IRON ATTACK! album, and Asian English versions of maimai adopted it as the displayed title.
- The jacket art is taken from IRON ATTACK!'s album SAILING DESTINY. The song itself originally appeared on the circle's album CRYING DESTINY (2009).
- Until maimai FiNALE, the in-game display used a character image of Fujiwara no Mokou instead of the dedicated jacket art. The jacket was introduced starting with maimai でらっくす (DX).
- The maimai version uses a different edit of the song compared to the original album release and the CHUNITHM version, with a length of 2:19.
- The MASTER chart designer 某S氏 is known for several high-level charts in the maimai series. The CHUNITHM WORLD'S END chart (狂☆4) reused lyrics from the song as its designer name: 私を壊して蝕んだ.
- The in-game collection title 洗濯機は遊戯に過ぎないのか ('Is the washing machine nothing more than a game?') is unlocked by achieving 100% SYNC on MASTER difficulty. This collection can no longer be newly obtained since the transition to maimai でらっくす.
- The Expert chart was designed by Jack, a longtime maimai notes designer who has contributed charts across multiple versions.
- The song has undergone multiple level revisions across maimai versions: its Expert rose from 9+ in PiNK PLUS to 11 by UNiVERSE+, while Master climbed from 11+ to its current 13+.
- Outside of maimai, the song also appears in CHUNITHM AIR, where it was unlockable during a 東方永夜抄 event, and later in CHUNITHM SUPER STAR PLUS.
FAQ
- Who composed and arranged エテルニタス・ルドロジー?
- The original composition is by ZUN (Team Shanghai Alice), drawn from 東方永夜抄 ～ Imperishable Night. The arrangement was handled by IRON-CHIYO of the doujin metal circle IRON ATTACK!, with lyrics and vocals by minusiyon.
- What Touhou songs are remixed in エテルニタス・ルドロジー?
- The track remixes two themes from 東方永夜抄: the Extra Stage theme エクステンドアッシュ～蓬莱人 and the Extra Stage boss theme 月まで届け、不死の煙, both associated with the character Fujiwara no Mokou.
- When was エテルニタス・ルドロジー added to maimai?
- It was added on October 6, 2016 as part of the maimai PiNK PLUS update.
- Who designed the MASTER and EXPERT charts for エテルニタス・ルドロジー?
- The MASTER chart (Level 13+, constant 13.7) was designed by the notes designer 某S氏. The EXPERT chart (Level 11) was designed by Jack.
- What does the title ～AETERNITAS LUDOLOGY～ mean?
- Aeternitas is Latin for 'eternity', and ludology is the study of games and play. The title suggests themes of eternal recurrence and the nature of play, reflecting the immortal phoenix motif of Fujiwara no Mokou.
- Did エテルニタス・ルドロジー appear in other rhythm games?
- Yes, it also appears in CHUNITHM AIR and CHUNITHM SUPER STAR PLUS, where it received a WORLD'S END chart (狂☆4 difficulty) with its designer name taken from a lyrical line in the song.
- Why does エテルニタス・ルドロジー have a different jacket in older versions?
- Before maimai でらっくす (DX), the song displayed a character image of Fujiwara no Mokou rather than its dedicated jacket art. The proper jacket, taken from IRON ATTACK!'s SAILING DESTINY album, was introduced in the DX era.
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