I picked up the show part way though (and by that I mean episode 120ish :V)
Apparently it looks like the Machine emperors have parts or something? I wonder if they're gonna stick to that for the final battle or if they've powered up and will only use the full form with unnerfed powers.
You should watch it from the begining.
The consensus is that episodes 1-65 or so were the best in the series.
You remember the armour cards from the Doma arc? The machine emperors are like that, except not as manly because the duelist doesn't wear them. Judging from the theme song,
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Is there a shortcut for spoiler tags, typing them is annoying.