The "Legacy Mode NoMiss Clear!" congratulation screen from Legacy of Lunatic Kingdom has some additional messages for Normal, Hard and Lunatic difficulties, which are different from one another. On Easy mode there isn't any additional message.

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The "Legacy Mode NoMiss Clear!" congratulation screen from Legacy of Lunatic Kingdom has some additional messages for Normal, Hard and Lunatic difficulties, which are different from one another. On Easy mode there isn't any additional message.

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Hecatia Lapislazuli's 「トリニタリアンラプソディ」 "Trinitarian Rhapsody" survival spellcard from Legacy of Lunatic Kingdom.
Congratulations screens from Legacy of Lunatic Kingdom.
Clownpiece's 獄符「ヘルエクリプス」 Hell Sign "Hell Eclipse" survival spellcard from Legacy of Lunatic Kingdom (Easy and Normal).
On Hard and Lunatic the spellcard is called 獄符「地獄の蝕」 Hell Sign "Eclipse of Hell" and the star pattern is different.
The gifs are from Normal mode (top row) and Lunatic mode (bottom row).
Clownpiece’s 「フェイクアポロ」 "Fake Apollo" survival spellcard from Legacy of Lunatic Kingdom (Easy and Normal). On Hard and Lunatic the spellcard is called 「アポロ捏造説」 "Apollo Hoax Theory".
The gifs are from Normal mode.

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Junko has two solo spellcards during the extra stage of Legacy of Lunatic Kingdom. At the beginning of those spellcards, her portrait is shown, but the spellcard background is that of Hecatia. She has her own spellcard background during stage 6.
Junko's 「溢れ出る瑕穢」 "Overflowing Blemishes" survival spellcard from Legacy of Lunatic Kingdom (Easy, Normal and Hard). The gifs above are from Normal mode.
On Lunatic difficulty, the spellcard is called 「地上穢の純化」 "Refinement of Earthen Impurity" and it additionally has blue bullets.
Seiran, Ringo and Mike Goutokuji have a common texture in their spellcard backgrounds, although coloured differently. While in-game it's clearer that Seiran and Ringo have something in common, in Mike's case it's not so obvious.