If any Eevee approaches Eephox, it will predict whether the Eevee will become a Flareon, Vaporeon, or Jolteon. If the Eevee evolves into none of those options, Eephox becomes confused and dejected.
It gazes into the flame at the tip of its branch to achieve a focused state, which allows it to see into the future. An Eephox has an unstable genetic makeup that suddenly mutates due to its environment.