Sledge is First Smithy will most likely be the fastest out of the group, so he will begin the battle with the all-attacking attack SLEDGE.
Smack Smelter When you can move, attack the golden Smelter. With 1500 HP, he might take awile to destroy. The worst part is, you're not sure when you destroy him. He won't shake or blow up, he just won't move (like he always does).
Molen Metal The reason to take out Smelter quickly is this: he will eventually dislodge himself from the wall and spew out some molten metal. Using his hudge hammer, Smithy will then mold it into a Shyster looking Shyper. If he does this, just continue attacking Smelter untill he can't do much anymore.
Smack the Shypers Once Smelter is deactivated, attack and destroy the Shypers that Smithy pounded out. No more metal will be coming out of Smelter anymore! There is a maximum of two that can be in battle at once. And at 400 HP a pop, you don't want even that many around!
Attack Smithy With his Shyper bodyguards out of the way, it's safe to attack Smithy. Try not to do too much other than hit him, and don't use all that many magic attacks. He's immune to many of them. With 2000 HP, he may take a bit of doing to make him surrender.



STOP SHAKING THE FLOOR!!!
With one too many wacks to the floor, the weak foundation of the
room breaks loose. The large floor plummets down and smacks into
the basement of the factory where the battle continues...

The Battle Goes On...