She travels to Earth after Belldandy's proximity to Keiichi started creating an increasing number of bugs in Heaven's supercomputer Yggdrasil.

Skuld generally carries her debugging mallet, used against Yggdrasil bugs ( eight-legged rabbit-looking entities ), as a precaution wherever she goes.

In stanza 34, Odin says that more serpents lie beneath Yggdrasil " than any fool can imagine " and lists them as Góinn and Móinn ( possibly meaning Old Norse " land animal "), which he describes as sons of Grafvitnir ( Old Norse, possibly " ditch wolf "), Grábakr ( Old Norse " Greyback "), Grafvölluðr ( Old Norse, possibly " the one digging under the plain " or possibly amended as " the one ruling in the ditch "), Ófnir ( Old Norse " the winding one, the twisting one "), and Sváfnir ( Old Norse, possibly " the one who puts to sleep

Hilda Ellis Davidson comments that the existence of nine worlds around Yggdrasil is mentioned more than once in Old Norse sources, but the identity of the worlds is never stated outright, though it can be deduced from various sources.

In the Marvel Comics Universe, Yggdrasil is depicted as a tree-like network of various worlds and planes of existence through which the Asgardians can travel to various locations including Asgard and Midgard ( Earth ).

The tree of life appears in Norse religion as Yggdrasil, the world tree, a massive tree ( sometimes considered a yew or ash tree ) with extensive lore surrounding it.

Völuspá, the first poem of the work, mentions many of the features and characters of Asgard portrayed by Snorri, such as Yggdrasil and Iðavöllr.

Davidson notes that the gods are described as meeting beneath Yggdrasil to hold their things, and that the pillars venerated by the Germanic peoples, such as the pillar Irminsul, were also symbolic of the center of the world.

The early proponents of the Götaland theory proposed ideas about Västergötland, and the Lake Väner region in particular, being the origin not only of the Geats, but also of the Suiones, the Danes ; and furthermore the location of various phenomena in Norse mythology, such as Odin's Sithun ( Sigtuna ), Valhall, and the ashtree Yggdrasil.

The concept of planes of existence might be seen as deriving from shamanic and traditional mythological ideas of a vertical world-axis — for example a cosmic mountain, tree, or pole ( such as Yggdrasil or Mount Meru ) — or a philosophical conception of a Great Chain of Being, arranged metaphorically from God down to inanimate matter.

Various scholars, such as Brian Branston and Clive Tolley have suggested that the pagan Anglo-Saxons held a belief in a world tree, similar to the Norse concept of Yggdrasil, though there is no solid evidence for this.

Above the spring, the serpent Níðhöggr gnaws on one of the roots of the world tree, Yggdrasil.

Many Heathen groups adopt variants of Norse mythology as a basis to their beliefs, conceiving of the Earth as being situated on a great world tree called Yggdrasil.

* In the Roger Zelazny's 1978 novel The Chronicles of Amber: The Courts of Chaos prince Corwin encounters Ygg ( a nick from Yggdrasil ), a tree who speaks and is planted on the border between Order and Chaos, between Amber and Courts of Chaos

In Norse mythology, Yggdrasil (; from Old Norse Yggdrasill, pronounced ) is an immense tree that is central in Norse cosmology, on which the nine worlds existed.

In stanza 35, Odin says that Yggdrasil " suffers agony more than men know ", as a hart bites it from above, it decays on its sides, and Níðhöggr bites it from beneath.

High continues that an eagle sits on the branches of Yggdrasil and that it has much knowledge.

After this, " the ash Yggdrasil will shake and nothing will be unafraid in heaven or on earth ", and then the Æsir and Einherjar will don their war gear and advance to the field of Vígríðr.

This large tree in the Viking Age Överhogdal tapestries may be Yggdrasil with Gullinkambi on top.

Modern works of art depicting Yggdrasil include Die Nornen ( painting, 1888 ) by K. Ehrenberg ; Yggdrasil ( fresco, 1933 ) by Axel Revold, located in the University of Oslo library auditorium in Oslo, Norway ; Hjortene beiter i løvet på Yggdrasil asken ( wood relief carving, 1938 ) on the Oslo City Hall by Dagfin Werenskjold ; and the bronze relief on the doors of the Swedish Museum of National Antiquities ( around 1950 ) by B. Marklund in Stockholm, Sweden.

In the novel " Hyperion " by Dan Simmons, the Yggdrasil is one of four miles-long Treeships in existence, and the spaceship on which the seven pilgrims to Hyperion are transported, under the command of " the true voice of the tree " Het Masteen and his Templar crew.

Possibly like, Odin, the chief of the gods, who voluntarily hanged himself for nine nights on Yggdrasil, the cosmic tree, in order to become wise, Vafthrudnir had also temporarily died.

The ash Yggdrasil shakes, and nothing, whether in heaven or on earth, is without fear.

After the god Heimdallr awakens all the gods by blowing his horn Gjallarhorn, they will assemble at a thing, Odin will ride to the well Mímisbrunnr and consult Mímir on behalf of himself and his people, the world tree Yggdrasil will shake, and then the Æsir and the einherjar will don their war gear.

The wish must be approved by the system, after which a contract is created between the human and the goddess and stored on the Yggdrasil system as a file.

The eddic poem Grímnismál says that Thor, the weather god, wades the straits at Karmsund every morning on his way to Yggdrasil, the tree of life.

In the Early Middle Ages, Windsor Forest came under the control of the pagan Angles who worshiped their own pantheon of gods, including Woden, who was sometimes depicted as horned ,, and whose Norse equivalent Odin rode across the night sky with his own Wild Hunt and hanged himself on the world tree Yggdrasil in order to learn the secret of the runic alphabet.

* DistroWatch on Yggdrasil

In the Poetic Edda poem Grímnismál the four stags of Yggdrasil are described as feeding on the world tree, Yggdrasil and the poem further relates that the stag Eikþyrnir lives on top of Valhalla.

In the Prose Edda book Skáldskaparmál, Yggdrasil receives a single mention, though not by name.

Shortly after, they released " Sharin no Uta ", from Yggdrasil, as a single.

Following a reference to signatures in nature and Yggdrasil, the poet introduces Baucis and Philemon, an aged couple who, in a story from Ovid's Metamorphoses, offer hospitality to the gods in their humble house and are rewarded.

In both sources, Yggdrasil is an immense ash tree that is central and considered very holy.

High continues that the norns that live by the holy well Urðarbrunnr each day take water from the well and mud from around it and pour it over Yggdrasil so that the branches of the ash do not rot away or decay.

In both sources, Yggdrasil is an immense ash tree that is central and considered very holy.

In Norse mythology, Ratatoskr ( Old Norse, generally considered to mean " drill-tooth " or " bore-tooth ") is a squirrel who runs up and down the world tree Yggdrasil to carry messages between the unnamed eagle, perched atop Yggdrasil, and the wyrm Níðhöggr, who dwells beneath one of the three roots of the tree.

A squirrel called Ratatoskr scurries up and down the ash Yggdrasil carrying " malicious messages " between the eagle and Níðhöggr.

The squirrel-like, chattering ratatosks scamper up and down the World Ash Yggdrasil.

If the player chooses to fight Myria, the spirit of the great tree Yggdrasil then channels himself through Peco and tells her she is taking her power too far, and like any parent, she must allow her children to make their own way.

The Yggdrasil, or World Ash, functions in much the same way in Norse mythology ; it is the site where Odin found enlightenment.

" In Grímnismál, Hel is listed as living beneath one of three roots growing from the world tree Yggdrasil.

Pictured as placed somewhere in the middle of Yggdrasil, Midgard is surrounded by a world of water, or ocean, that is impassable.

In Wagner's opera Siegfried, the haft of Gungnir is said to be from the " World-Tree " Yggdrasil.

* In The Sea of Trolls written by Nancy Farmer, the Tree of Life ( Yggdrasil ) is a place holding magical powers.

* The Norse Tree of Life, Yggdrasil, is either featured or referenced in many games, including those of the Tales RPG-series, the 2002 video game Wild Arms 3 and the 2008 video game Too Human.

In the 2011 Marvel Studios superhero film Thor, the Asgardian warrior Thor explains that the Nine Realms of the Asgardian cosmos are linked by Yggdrasil, the Norse mythological Tree of Life, which is here interpreted as a nebula in space connecting the planets in an orbit.

In another version of Norse mythology, Utgard is thought to be the final of the three worlds connected to Yggdrasil being the home of the demons, the other two being Asgard and Midgard.

Yggdrasil is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson.

The branches of Yggdrasil extend far into the heavens, and the tree is supported by three roots that extend far away into other locations ; one to the well Urðarbrunnr in the heavens, one to the spring Hvergelmir, and another to the well Mímisbrunnr.

Conflicting scholarly theories have been proposed about the etymology of the name Yggdrasill, the possibility that the tree is of another species than ash, the relation to tree lore and to Eurasian shamanic lore, the possible relation to the trees Mímameiðr and Læraðr, Hoddmímis holt, the sacred tree at Uppsala, and the fate of Yggdrasil during the events of Ragnarök.

In the Prose Edda the tree is usually not just called Yggdrasil but askr Yggdrasils.

" While Yggdrasil is not mentioned by name in the poem and other trees exist in Norse mythology, the tree is near universally accepted as Yggdrasil, and if the tree is Yggdrasil, then the name Yggdrasil directly relates to this story.