Essence of theHeroic Spirit

By consuming this golden substance with reddish speckles, which is glowing like the sun for some reason and is contained in the weirdest little flask, shaped like a small statuette in the shape of a knight holding aloft a sword, you gain the following benefits:

• All your physical and mental ailments will be restored and any genetic defects will be undone, providing you with ideal genes in all of your forms.

• You can convert yourself into a spirit with a physical body made of magical energy with no maintenance associated with keeping this body from deteriorating beyond consuming food.

• Choose 1 Heroic Spirit, you gain their Spirit Origin to use.

• You can transform yourself into this Heroic Spirit as a Servant matching one of the classes this Servant is available in, determining stats, skills and Noble Phantasm.

• Optionally: You can gain the Spirit Origin in the form of a Class Card, enabling you to "Include" the Noble Phantasm, the card changing to match the class you choose, or "Installing" the card to become a form of Demi-Servant.

• Optionally: You can take this Essence more than once to gain more Spirit Origins.

• Optionally: If you have 2 or more Spirit Origins you can mix and match these Heroic Spirits into a High-Servant with the body of one and the powers of both. You may also use this in Class Card variant.

• Optionally: You can become choose to enter the Servant form in a Grand Servant Container, granting you a superior variant of the normal Noble Phantasm that Heroic Spirit would have as well as one absolute Trump Card beyond this.

• Optionally: You can choose one of the Beasts of Humanity, gaining their powers and Noble Phantasm as well as their Authority of the Beast and Nega-Skill.

• Optionally: You gain your own Moon Cell Supercomputer which will be implanted into the nearest moon-type Satellite or in your Warehouse. You can enter and exit the Cyberspace of the Moon Cell at will and it can summon Servants for defence.

• Optionally you can gain the ability to perform near-Grand Level Summoning abilities to summon other Servants.

• Optionally you may take one or more Servants from the Nasuverse along as Companions but they will be restricted to one canonical class container.

• You may use this Essence as a One-Way-Ticket to enter the Nasuverse during the lifetime of any Servant seen or during a Holy Grail War. You may, in the latter case, choose to be a Servant summoned in that war, either replacing another or as a neutral observer/judge.