After Hayate stated that if anyone defeats him will get the Sanzenin estate, Hayate decides to quit being Nagi's butler!
At the back of the cave was the giant 
serpent Jörmungandr, Jör for short.
Al final de la cueva estaba la serpiente 
gigante Jörmungandr, abreviando sería Jör-kun.
No fundo da caverna estava a serpente
gigante Jörmungandr, ou melhor, Jör-kun.