I think we need to make a list of all the emotionally traumatizing parts of every fandom

Add what ever you like, but don't delete! : )
Supernatural: Swan Song, The Man Who Would Be King, Hello Cruel World, Death's Door
Sherlock: Reichenbach
Hetalia: Gutters
Homestuck: A Very Important Day
Harry Potter: The Prince's Tale
Kingdom Hearts: Axel's Death, Xion's Death, When Roxas merges with Sora.
FFVII Advent Children: Kadaj's Death
Host Club: When Everybody Falls in Love with Haruhi
DBZ: Dragon Ball GT - Goku goes for good DBZ: Frieza saga when Krillin gets stabbed by Frieza
Resident Evil: The Birth of Sheva
Pokemon: Knowing that you'll never TRULY be able to catch 'em all
Dragon Ball GT: Piccolo and Gohan's final conversation, and then Piccolo's death
ToraDora: THE GODDAMN CHRISTMAS EPISODE
Up: The scene in the very beginning with the baby
Portal: The Part Where He Kills You
DC Comics: Ted Kord's Death, every Booster Gold issue afterwards
Pandora Hearts: Couldn't Put Humpty Dumpty Together Again & Collapse
The Lion King: Mufasa's demise, and Simba trying to wake his dad up
World of Warcraft: Cairne Bloodhoof and Garrosh Hellscream's deaths.
Amnesia: Everything.
Star Trek Reboot: The George/Winona moment and Amanda's....yeah
Kamen Rider Double: Episode 48
Shinkenger: Meeting the true head
Crisis Core: Zack Fair's death
Final Fantasy VII: Aerith Gainsborough's death
Air TV: It's Air TV. 'Nough said.
Dragon Ball: Krillin's death, when Goku reunites with Grandpa Gohan
Clannad: Where do we start..
Mawaru Penguindrum: "Thank you. I love you."
Gintama: "Give me back my balls!!"
No.6: "You'll be fine." Nezumi leaving Shion again.
DCU: This is gonna be a long list...
Angel Beats: It's a Jun Maede story, do we need to say more?