WTF most of that fight made no sense. Most of this show is wish fulfillment garbage for mecha otakus.

1) Why didn't he use his other sword to attack the other eye? It worked once. A blinded enemy would've been helpless, or at the very least way easier to beat. Not attacking the other eye is the height of idiocy.

2) How would he know that electricity conducted into the eye (and he did know, look at his confident mug and victory declaration) would even work? It's a magical blastoise for crying out loud. How would you even know if it has a brain? I'd get it if he just tried it out as an experiment, not an attack that essentially kills him if it fails.

3) Why the hell is this guy so OP? He just messes with the rules of the world whenever the plot needs it. He even deduced that the monsters were running from a bigger thing the second before the behemoth conveniently showed up, as if to make him seem more OP than he already is. Oh wait, that was the point.

4) And why is he a friggin' psychopath? People died in those machines, and he is like, "robots can only be killed by robots!" He was a friggin' programmer in his previous life, not an assassin or soldier.

That said, I can enjoy this if I turn off my brain. The action looks flashy enough.