Jirachi is the mascot for the Zeta version of the game. It is a steel/psychic type and known as the Wish Pokémon.
There a special version of Jirachi know as Delta Jirachi that is exclusive to these games. A Jirachi can be changed into it's Delta version in the Delta Temple.
Pokédex Entry[]
"Jirachi is said to make wishes come true. When it sleeps, a tough crystalline shell envelops the body to protect it from enemies."
In-Game Acquisition[]
You encounter it at level 50 after defeating Odin on Mt. Press as part of the main story line. In Pokémon Omicron your rival Jake will catch Jirachi.
Move Set[]
Double-Edge
Gravity
Healing Wish
Zen Headbutt