Yggdrasil, Itacen Duniya ko "Bishiyar Rayuwa"

A tsakiyar Asgard, inda alloli da alloli suke rayuwa, shine Iggdrasil . Iggdrasil - itacen rai , koren toka na har abada; rassan sun shimfida sama da duniyoyi tara na tatsuniyar Scandinavian kuma suna fadada sama da sama. Yggdrasil yana da manyan tushe guda uku: tushen farko na Yggdrasil yana cikin Asgard, gidan alloli yana kusa da Urd mai suna, a nan alloli da alloli suna gudanar da taronsu na yau da kullun.

Tushen na biyu na Yggdrasil ya gangara zuwa Jotunheim, ƙasar ƙattai, kusa da wannan tushen shine rijiyar Mimir. Tushen Yggdrasil na uku ya gangaro zuwa Niflheim, kusa da rijiyar Hvergelmir. Anan dodon Nidug ya cinye ɗaya daga cikin tushen Yggdrasil. Nidug kuma ya shahara wajen shan jini daga gawarwakin da suka isa Hel. A saman Yggdrasil suna zaune gaggafa, gaggafa da dodon Nidug - mafi munin abokan gaba, da gaske suna raina juna. Akwai wani squirrel mai suna Ratatatoskr wanda ke kewaya bishiyar toka a yawancin rana.

Ratatatoskr yana yin iyakar ƙoƙarinsa don kiyaye ƙiyayya tsakanin mikiya da dodo. Duk lokacin da Nidhug ya yi zagi ko zagi ga mikiya, Ratatatoskr ya ruga zuwa saman bishiyar ya gaya wa mikiya abin da Nidhug ya faɗa. Mikiya kuma tana maganar rashin kunya game da Nidhuga. Ratatatoskr yana son yin tsegumi, don haka gaggafa da dodanniya sun kasance abokan gaba.