5 grades Astro returns

Ash and the others almost get to the place where Prof.Ruin is digging again to find the Regis,but 5 grades appears again.Astro tells the other 4 memers to stay back,cause he will battle.Then Astro gives his mask down,and it was revealed to be Giovavanii.He sends out Persveler(Persian+Graveler).Metacoon is used this time by Ash.After a lot of kicks from Persveler,Metacoon finally evolves into a Buttertox(Butterfree+Dustox),and in a short while,with some atacks,it defeats Persveler.Then Ash with his team advances and finally finds Prof.Ruin,along with 5 grades,Rank S,Team Allto Trio and Kairo.Prof. finnaly breaks the wall and the three legendary Regis gets out of it.

Debuts:

 * Buttertox
 * Regice
 * Registeel
 * Regirock