you cannot! only beldum. after beating stewen go to his haus. take pokeball.
You can't catch Metang in emerald. You can only get Beldum, and then you can evolve it into Metang.
metagross
Metang evolves FROM Beldum at Level 25 Metang evolves INTO Metagross at Level 45
You cannot catch a Metang in Pokemon Diamond. To get one, you can evolve a Beldum.
Beldum evolve into Metang at lv20 and Metang evolve into Metgross at lv45
Metang evolves into Metagross at level 45.
at lv 45
At level 45.
It evolves to Metang at level 20. Then, Metang evolves to Metagross at level 45.
you beat the game then go to steven's house in mossdeep you get the beldum and train it till it becomes a metang (obviously)
It evolves at lvl 45.
he has skamory,Metang/'Metagross,Amarldo,the cradilly and aggron.