"Once Upon a Halloween" は、ダークで童話風のゴシックなハロウィンポスターです。紫に光る黒のブラックレター文字が段組みで、月明かりの図書室の上に配置され、手前にはジャック・オ・ランタン、溶けたろうそく、古い紙があります。タイトル、イベント名、日付、住所を差し替えて、オリジナルの招待状やチラシが作れます。

rendered as ancient spellbook text with mystical arcane energy — glowing runes and magical symbols orbiting the letters. Ethereal purple and gold magical aura, floating sparkle particles and wisps of magical smoke. Ornate fantasy serif letterforms with subtle glow. The exact text “Once Upon a Halloween” appears as the dominant spell inscription, its surfaces formed from aged charcoal-black metal with hairline engraved channels carrying pulsing violet and molten amber light. A ring of tiny arcane glyphs, crescent marks, star sigils, and alchemical symbols circles through the surrounding air, each leaving fine gold particle trails and faint purple afterimages. Wisps of blue-violet smoke curl through the counters and around the outer edges of the words, with soft translucent halos bleeding into deep shadow. Behind the inscription, an old stone library chamber recedes into darkness: warped shelves of leather-bound grimoires, a partially open spellbook releasing illuminated pages, melted black candles in iron holders, and tall lancet windows showing a clouded harvest moon. Small carved pumpkins with ember-lit interiors sit among scattered parchment and dried thorn branches. Ray-traced candlelight catches dust motes and worn stone texture, while a concentrated upward burst of purple-gold spell light creates crisp rim illumination, layered depth, and a dense magical haze. Ornate manuscript filigree and faint circular ward diagrams emerge at the frame edges without competing with the hero text.