A riderless horse galloped towards Rider. It was a powerful and sleek steed. If it was human, it is probably just as impressive as any one of the Heroic Spirits standing before the king.

“Long time no see, pal.”

Rider smiled childishly as he hugged the neck of his horse. “She” was the legendary charger Bucephalus. Even the horse of the King of Conquerors became an Heroic Spirit.

- Fate/Zero: Act 8, Part 6