Day 8 -
By default, I would probably default to TTGL spam: Kamina & Simon VS Thymiph, Simon VS Lord Genome or Dai Gurren Dan VS The Anti Spiral(TV or Movie Version). Those were some pretty epic fights there. Unfortunately, I'm too lazy to scour YouTube for clips of those fights that would be ganked down in a couple days. And sadly, I've been reading more manga than anime, so I'm not sure how some of the more epic manga fights I've seen would translate animated. In some cases, I don't really want to know. And then there's other clips that I've just seen, but haven't seen the rest of the series. Also worth citing is either version of Unit 01 VS the 14th Angel, I think? The one that came after the beserk Unit 03. That fight is just amazing. But since all of those are difficult to find, you get to see my sad inner Fate/Nerd giving you Archer's Unlimited Blade Works scene.
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Day 9 -
We've got a lot of contenders for this one. If we venture into video game land as well, most of Phantom Brave goes there(They could've just titled the game "The World Kicks Marona Like A Soccer Ball At The World Cup"),
the ending theme to Xenosaga Episode 3(Just listen to the lyrics), the scene where Alkaid goes into a coma in .hack//GU(I played/saw it in English, deal with it) (Okay without the rest of the story and the way the script translated it's dumb and funny), and I'd say about the last 15~20% of Kingdom Hearts: 358/2 Days(Alternatively titled, "Let's Torment the Main Characters -they won't feel it, they're Nobodies."). No winners here. Just... DESPAIR!
Day 1 - Your first anime
Day 2 - Favorite anime you’ve watched so far
Day 3 - Your anime Crush
Day 4 - Anime you’re ashamed You enjoyed
Day 5 - Anime Character you feel you are most like (or wish you were)
Day 6 - Most annoying anime character
Day 7 - Favorite anime couple
Day 8 - Most epic scene ever
Day 9 - Saddest anime scene
Day 10 - Favorite slice of life anime
Day 11 - Favorite mech series
Day 12 - An ecchi picture from your favorite series
Day 13 - Cosplay of your ‘waifu’ or Husbando’
Day 14 - current (or most recent) anime wallpaper
Day 15 - Post a cute Neko-girl
Day 16 - post a kigurumi cosplay of your favorite anime character
Day 17 - Favorite tsundere
Day 18 - Something moe
Day 19 - Mandatory swimsuit post
Day 20 - Favorite shoujo anime
Day 21 - Best yandere character
Day 22 - Favorite boy’s love couple (or yuri couple, if you don’t like that sort of thing)
Day 23 - Anime you think had the best, or most intriguing art
Day 24 - Favorite anime hero or heroine
Day 25 - Best anime villain
Day 26 - Your favorite harem anime
Day 27 - Favorite anime opening theme song
Day 28 - Favorite pokémon
Day 29 - Favorite school uniform
Day 30 - Favorite anime ending theme