ゲームアート推奨：ChatGPT

ゲーム原画：熔岩の黒曜要塞

黒曜石の要塞が火山の地獄に刻まれる。ガーゴイルの噴口から熔岩が熔けた堀へ流れ込み、悪魔の生き物が緋色の空を旋回する。

プロンプト全文（英語）

Fantasy game key art of an obsidian fortress carved into a volcanic hellscape, towering basalt walls with glowing orange lava pouring from gargoyle spouts into a moat of molten rock, jagged black towers with wrought-iron gates, a portcullis raised halfway with molten drips, heavy chains and bronze braziers along the battlements, silhouetted demonic winged creatures circling a blood-red sky, obsidian spikes jutting from the mountain slopes around the fortress, a lone armored knight on a skeletal horse crossing a narrow stone causeway in the foreground for scale, his red cape and lance catching the glow, wide establishing shot from a low angle, harsh red-orange underlight from the lava below, dark smoky atmosphere with flying sparks and embers drifting upward like fireflies, black-and-ember palette, high-contrast dramatic lighting, thick textured concept-art painting with visible brushwork, epic dark-fantasy mood, cinematic composition, 4k

同じ画像を生成： 上のプロンプトをコピー → ChatGPTを開く → 貼り付けて送信（画像モデルは切り替え可） → 結果を待つ。

ChatGPTを開く ↗ 詳しい手順はチュートリアルへ。