Noble Phantasms, the ultimate armaments of Heroic Spirits, were the proofs of heroism borne by heroes—the strongest weapons known as [Treasured Fantasms].
Miracles forged with humanity's fantasies as their framework were usually the weapons, symbols, special techniques, or even rumored objects of Heroic Spirits, all of which could become a Heroic Spirit's Noble Phantasm.
However, precisely because Noble Phantasms were the famous equipment of Heroic Spirits, once unleashed, they could reveal their owner's identity, allowing enemies to deliberately counter them through history or legend.
Once Heroic Spirits unleashed their Noble Phantasms in battle and released their true overwhelming power, they could change the tide of the battlefield in an instant. They were the key to a Servant's victory...