Mt. Hakobe is the same place Natsu and the gang visited in the very early episodes of the first season to find Macao.
As usual, Lucy finds herself at the mercy of Natsu and Happy’s impulsive behavior, leading to several "fan-service" and comedic moments typical of these filler episodes. Fairy Tail (2014) (Dub) Episode 46
The group gets lost in a cavernous labyrinth where their senses and magic are tested by the environment. 🔑 Key Plot Points confusing cave system within the mountain.
The trio finds themselves trapped in a massive, confusing cave system within the mountain. Fairy Tail (2014) (Dub) Episode 46