Metal Gear 2: Solid Snake (2023 Ver.): Part 10: Night Fright Fight / Two Doctors, One "Snake"...
The deal I intended for this video's title will make more sense when you watch the whole video (or just see me elaborate about it here below).
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As soon as Snake steps out of the elevator at the Detention Center to B3, already another boss battle is imminent.
Snake's #1 fan returns to warn him about another adversary in the floor, called Night Sight. No one has ever seen him, because he's always invisible!
Snake will have to use more than just his eyes to take down this opponent...
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All four radar squares contains a different type of floor that all make different kinds of noise when walking over them.
But anyway, the way to actually beat Night Frighter is watch for where his bullets are coming from. You should toss a Grenade from where the bullets spawn against you and you should hit him. He'll even finally make himself visible for a moment when he gets hit.
I take him down pretty quickly, despite him being one of the last bosses in this game.
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Take a door to the right, but be VERY careful in the next room.
Those yucky, piss-colored puddles in the ground are actually sulfuric acid. If you try to make Snake step over them, he basically gets burned and melted to death for an instant Game Over.
Turns out the trick to overcome these acid puddles is to run over them while having your B1 Rations equipped. It can ONLY be the red packs of your Rations. Snake will spread the chocolate that's contained in them onto the acid to cover them up somehow. That means you'll need three B1 Rations to reach the next door.
One of the orphans within the Detention Center does bring up asking Snake about these specific Rations and the chocolate they have, likely as a hint towards dealing with these deadly piss puddles.
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But then... you reach that door, and none of your Key Cards will work. There's just one more you need to find...
Leave the room and come right back into it, and Snake's #1 fan will bring up that Jungle Evil actually had both the Level 8 AND 9 Cards. I already have Card 8, but Card 9 is somewhere in the yellow grass area where Jungle Evil was fought.
Specifically, Card 9 is right there where I am at 7:42. NOW go back to that one door past the now-chocolate puddles.
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Through that door, good news and bad news.
Good news? Snake has finally reached both Dr. Madnar & Dr. Marv.
Bad news? Marv had already died by the time Snake reached the doctors.
Apparently, Marv was a big video game fan. He hid a copy of his OILIX plans inside of an MSX cartridge, made by Konami. Snake himself was quite amused. Marv's cartridge was now in the nearby locker, but it didn't have its key.
But before that then... Snake noticed something strange about Marv's corpse... He had a bruise on his neck...
And then... when asking about where the key was now, Madnar initially said that he "couldn't get it out of him", before then saying that Marv just never told him.
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And then this just led into even WORSE news...
Holly suddenly called Snake. She realized he was in great danger again! But why...?
Holly had looked in about Madnar. He had... changed following his rescue from Outer Heaven. His theories and beliefs weren't accepted in the scientific community. So then he was shunned out of it and then forgotten. He desired revenge against them for this.
So Madnar teamed up with Zanzibar Land to become a double agent for them, all for a plan to get OILIX from Marv.
Madnar confirmed everything Holly just said to Snake. He staged his own kidnapping to get trick Snake to getting him closer to Marv. His bathroom break in the sewers was a lie that lead Gray Fox to his position and easily kill Gustava, and then Madnar killed Marv, himself, when he refused to give up the details towards getting that OILIX and completing the next Metal Gear project.
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Right now, Madnar knows that the locker key he was looking for was now on Snake thanks to Gustava, and attempts to choke him to death to claim it for himself!
This "boss" battle is kinda while. You can't shoot him directly. You need to use explosive weapons.
What I did is set Mines in front of Snake, and then turn around. They should then go off against Madnar. He'll soon let go and collapse.
With two dead doctors in your room, you need to find a different way to use Gustava's brooch. Rather than heating it up, try finding that freezer room again to cool it down, instead?
Lastly, at 16:03, Colonel's third and final Frequency should now be 140.24 if I'm following the Tap Codes right.
So I guess that means going ALLLLLL the way back to the Zanzibar Building one more time. Thankfully this should be the last time you'll be doing this.