Is there a hippopotamus in the Five Elements Fairy Family?

No.

The five outer immortals include eagle, bear, wolf, centipede, tiger, etc.

The Immortal Family is divided into the Inner Five Immortals and the Outer Five Immortals. The Inner Five Immortals are also called the Five Great Immortals, namely Fox Immortal (Fox), Huang Immortal (Weasel), White Immortal (Hedgehog), and Liu Immortal (Liu Immortal). Snakes), gray fairies (rats), because they are closest to people in life, so some people will also invite them as guardian fairies. The five outer immortals include eagles, bears, wolves, centipedes, tigers, etc. Ghosts, plants, and immortals who practice in the sea are also the five outer immortals.

The so-called outer five elements refer to objects outside the house, such as Lu Chong, Tian Zhan Sha, etc., while the inner five elements refer to items in the house, such as furniture and shrines. Feng Shui experts also mention hiding wind and gathering Qi. Gathering Qi means not dissipating, and "Qi" refers to auspicious energy. Ji Qi literally means auspicious air. In fact, there is a key hidden in it, which is fresh air.