Prompt
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A gigantic dragon-riding knight clad in black steel armor scarred by countless battles, crimson cape torn by war, face hidden beneath a horned helmet 0–4s: rides an enormous dragon through a canyon as an enemy army marches below, camera flying alongside the dragon’s wings before diving toward the battlefield; 4–10s: dragon unleashes torrents of fire across siege engines and infantry formations while the knight leaps from its back into the middle of enemy lines, cutting through soldiers with devastating two-handed strikes, sparks and blood flying through the air; 10–15s: confronts the enemy king atop a burning siege tower, defeats him in a brutal duel, then the dragon crashes through the tower causing it to collapse entirely, ending with the knight standing atop the ruins as the enemy army breaks and flees + Hyper-realistic heroic fantasy, large-scale medieval battle, practical fire VFX, cinematic daylight destruction, brutal combat choreography.
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Tips
Keep the first action beat readable so the A gigantic dragon-riding knight clad in black sequence has a clear opening direction.
Preserve camera movement and timing details when adjusting the prompt for a different video length.