'''As a Fridge subpage, [[Administrivia/SpoilersOff all spoilers are unmarked.]] Administrivia/YouHaveBeenWarned.'''

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[[folder:Fridge Brilliance]]
* After comparing Naotsugu's lines between the anime and the light novel, Akatsuki's flying knee gag makes more sense. In the light novel, Naotsugu gets to say some of his more perverted (and sometimes, somewhat sexist) remarks. Those lines are cut out of the anime by having Akatsuki knee him in the face, with him complaining that she should let him say something perverted.
* Serara's awful situation to begin with in ''Log Horizon'' makes sense on both an 'in-game' and 'real life' level. Anyone that's played a MMORPG for a long enough time can attest to the relative dearth of healer-class characters. It's typically hard to solo with a healer class in the beginning because of their SquishyWizard status and relative lack of offensive power at lower levels, but they're a necessity in party play because of their healing abilities. When the game went 'live', so to speak, Brigandia probably needed a healer whose level scaled with their weaker goons and Serara was unfortunate enough to be around. Not to mention her subclass, Maid, made her a practical choice to keep Brigandia's hideouts clean. In fact, she had likely been spending most of her time with Brigandia doing the latter, which was why her subclass level ''far'' outpaced that of her main class.
* In episode 10 there's a comedic scene where Isaac's summoners "clean" Log Horizon's new abode. At first it seems odd that Naotsugu is the only one in the group that is knocked away by the massive wave. Then you realize he's an armor dependent tank in what's likely his body weight in dead weight (so when the current knocks him back there's nothing he can do to stop himself) while Shiroe is an Enchanter and Half-Alv (and likely boasts a large magical defense stat letting him withstand/ignore harmful magical effects) and Akatsuki is an acrobatic ninja wearing very little so she's able to keep herself mostly in place (she's shown on her knees soaking wet)
* Re-Gun's meeting with Shiroe seems very coincidental (in that Shiroe is the protagonist and this person just so happens to have been looking for him). However, the lore for the Half-Alv race is that they have higher magic stats and storyline bonuses in dungeons and certain quests. Re-Gun, whose title "Sage of Mirror Lake" is well-known in game lore, is essentially a storyline bonus for Shiroe. Furthermore, since Shiroe is a Half-Alv, he has the potential to perhaps use the Alv's magic, which is probably what Re-Gun was interested in.
** Some clever foreshadowing from their first meeting that doesn't really work outside of Japanese: when ReGan brings up the Ruquinjé/Luquenje, the kanji for it says "Six Scrapped Princesses," but the ruby characters (the way you're supposed to read it, typically spelled in katakana) says the former. Shiroe remarks that the term was unfamiliar to him, so ReGan spells it out using kanji, not katakana, which suggests that "Ruquinje" is just how the Landers pronounce the kanji. Five volumes later, we find out from Rudy that Landers actually speak a different language from Adventurers, but the automatic translation machine that was devised to translate between players of different countries works on Landers as well. They have words and slang, though, that don't always translate: for example, "39" is their way of saying "music," because they were given 39 songs and are incapable of creating music outside of those 39.
* The light novel created a parallel between Rayneshia and her father, Feynail. He married into the Corwen family and was often criticized by others as being too weak for such a powerful family. Rayneshia, despite her affluent background, is not expected to take part in politics and knows that she is just there to look pretty. It is implied that through Feynail's actions, he gained the favor of Duke Serjiad and married into the family. Similarly, Rayneshia decides that taking no action in a time of dire conflict would disgrace the Corwen family, and unveils her plan to personally plead with the Adventurers since the Lander's only other hope, the Knights of Izumo, was missing. Through her actions, she gains the favor and trust of her grandfather, Duke Serjiad, just like her father had.
* For volume 7, Mamare released some extra info and pictures on Silver Sword's raid party whom Shiroe and Naotsugu go with. Each member gets a quote in their profile, along with their name, class, subclass, and most commonly used skill. Although the quote seems, at first, to just be a line indicative of their personality or playing style. However, after reading the web novel, the character's responses are much more enlightening and, in some cases, heartwarming.
** William Massachusetts says "So what. I don't give a shit," which was his reaction to getting wiped and the despair he felt. Right after him, in his group, is a member who says "I agree. Gentlemen, we shall be successful next time," which shows his faith in William and William's determination. Another member says, "Good, turn your hatred into passion," a response to William's confession about his hatred towards the Debauchery Tea Party for disbanding before he could join them after he had aspired to be among them for so long.
* Rundelhaus Code's character isn't an anomaly at all- in fact, he makes perfect sense if you've played enough [=MMORPGs=]. Every MMORPG has [=NPCs=] that are designed to stand out from the garden-variety townspeople and denizens and often even travel with and fight alongside your player character temporarily for a single quest or quest line. Also, in-universe there are typically impressionable kids that regard your PlayerCharacter as some sort of superhero and idolize them. A pretty common trope of [=MMORPGs=], actually, is that you're called upon to stop one of these would-be copycats from getting in over their head and getting themselves killed.
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[[folder:Fridge Horror]]
* Isuzu's story of how she began playing Elder Tale has some more terrifying implications. She was given a one-week pass to play the game for free by her older brother, and so she decided to play it for fun and had no intention of continuing after the pass ran out. If some of the other beginner players are the same way, they just became trapped within a game that they had no intention of getting immersed in, with no idea whether they'll ever meet their friends or family (who probably take higher priority than Elder Tale) again.
* An out-of-scene WhateverHappenedToTheMouse feeling comes over viewers when adventurers seemingly don't discuss much about the friends and families left behind in the original reality. Krusty has memories of a pet cat and a sister but doesn't seem overly concerned about their welfare. What about the adventurers who are parents of young children? With younger players such as Isuzu and Minori: Are there worried and traumatized parents who lament their loss? A more dramatic scenario might be that the World Fraction, the magic that reversed reality for the adventurers also caused the original world to cease existence and leave only shadowy memories of the old world. Else, the adventurers should have a great deal of mental trauma about their situation.
** A bit reading in the lines too much, the story hinted that there are ways to not only get back to their own world, but travel between this new one as well.
* In the West Wind Brigade side story two players corner Isami and Sara with the explicit goal of raping them to teach them their place. When Sara tells them that'll summon the Guards the two players scoff explaining the Guards aren't triggered by "displays of affection." What does trigger them is Isami's attempt to defend Sara, the Guards arrive immediately and set out to kill Isami completely ignoring the two would be rapists. The fridge horror sets in when you apply this on a global scale. Through out Elder Tales anyone being raped or physically abused must either let it happen or be killed by the game's system meant to protect them.
** The novels hinted that at least is what's happening in Susukino before they saved Serara, and that is why they rushed to save her.
** There's a bit of FridgeLogic here, because Guards immediately killing players who break the rules was added into the WWB manga for RuleOfDrama. In the light novel and the main manga, Guards only kill players who attack ''them''. Simply breaking the rules makes them lock up the offending players in prison for a period of time before they're released.
* In the first mini-arc of the anime, Demikas during his climactic battle with Shiroe and company, threatens (among other things) to send Serara to the Cathedral a hundred times over. Then, of course, everyone finds out later that each death in Elder Tales chips away at some of the adventurer's real-world memories. Demikas really had no idea of what he was threatening to do. Unless, somehow, he stumbled upon the truth before everyone else did and knew ''exactly'' what his threat implied...
* Rundelhaus Code appears to be a teenager, about the same age as the rest of Log Horizon's junior members. But let's remember that as a Lander, at least initially, he gained EXP at 25% the rate of the others. So one must wonder either [[OlderThanTheyLook how old Rudy is really]] since getting up to Level 20+ must have taken some time, or [[TrainingFromHell what the kid must have put himself through]] to manage to equal Adventurers, albeit relatively inexperienced ones, in strength and skill, apparently before the age of 20.
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