When blood is spilled onto the ground, life (usually plants) sprout up from it.
Blood signifies life. Some blood, however, is more than just a symbol. When it is spilled, life springs forth from the ground. This is usually plant life, but sometimes creatures are born from it, too. As a fun fact, real life blood is something of a fertilizer, if less dramatically. Related to Fertile Feet, Mook Maker, and sometimes both. Commonly seen on Eldritch Abominations, demons, or those with a Green Thumb. Subtrope of Blood Magic and The Power of Blood.
- A major element in Planet Hulk, as Hulk's blood creating life gives greater proof that the Hulk is indeed the prophecised Sakaarson, savior of the world of Sakaar.
- In Hellboy: "The Nature of the Beast", there's a legend that when the monk who first killed the St. Leonard Worm was injured fighting the dragon, lilies grew from his blood. When Hellboy fights the Worm, lilies grow from where his blood as well. This is significant because Hellboy is a half demon and the prophesied Antichrist, but he is so good despite this fact that he becomes an Anti-Antichrist.
- The titular imps in Subspecies are tiny demon looking homunculi spawned from the blood of the vampire Radu.
- In Clash of the Titans, Calibos sticks his trident into Medusa's head, which Perseus has hung on a branch while resting, giant scorpions are created from the blood as it drips on the ground, which procede attack Perseus and his men, killing many of them.
- In Hellboy II: The Golden Army, when the plant elemental is killed it's blood blankets the city and sprouts moss, grass, and flowers.
- In Spellbent, strange moss and spiked vines grow from the ground where Smoky the familiar's blood falls.
- In Speaker for the Dead when piggies are planted (their organs are ripped out and placed in the ground), a tree springs up.
- Greek Mythology
- The hyacinth flower grew from the blood of a divine hero named Hyacinth.
- Also, after Uranus was castrated by his son, Cronus, his blood gave birth to the Giants, the Erinyes and the Meliae.
- The Anemone flower is said to have sprung up from the blood of the slain Adonis.
- Some versions of the Narcissus myth use this. All agree that the flower grew on the spot where he died, but they disagree as to whether he drowned or stabbed himself.
- The winged horse, Pegasus, was born from the blood of Medusa when Perseus cut her head off. Some versions state specifically that the birth was caused by the blood mixing with seawater.
- Hindu Mythology has the demon Raktabija [[note]]Literally Blood Seed[[/note]], whose blood spawns clone Raktabijas when it stains the ground.
- Dungeons & Dragons
- 1st Edition supplement Deities & Demigods Cyclopedia, Greek Mythology section. When Zeus takes damage and his blood spills on the ground, the blood changes into a powerful random monster that is under Zeus' control until it dies or 48 hours elapse, whichever comes first. This can occur each round of combat.
- Several versions of the default pantheon include the tale that elves and orcs first sprang forth from the blood of their respective patron deities, who'd fought a vicious duel that scattered it across many worlds.
- In The King of Dragon Pass, shrines to Maran Gor increase your crop yields when people are killed on your territory.
- The intro for the first mission dealing with Pagans in Thief: Deadly Shadows shows a Pagan cutting his palm in order to "water" a plant, which then grows exponentially faster than normal.
- Ōkami: Crimson Helm is a bull-like youkai that was born from the blood of the Big Bad Orochi, after the hero Nagi beheaded it.
- As powerful beings have powerful blood in World of Warcraft, the site where a demigod died has massive thorny vines spanning for miles where his blood was spilled.
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