City of Heroes
A catgirl by the name of Ren K. Wayne experiences a nightmare, and is woken and comforted by her cyborg husband, Clark Wayne. (Technically Guild Wars 2, not Guild Wars, but that wasn't an option and I assume the areas are the same.)
Crossover - City of Heroes & Guild Wars - Rated: T - English - Hurt/Comfort - Chapters: 1 - Words: 891 - Published: 3/4 - Complete
It began when the Rogue Isles and Paragon City were set ablaze. The cause was a portal, a fairly common occurrence, until everyone who went through came back in pieces. A villain by the name of Arias, who has control over gravity and ice, has gone through to put an end to those who seemingly only desire the destruction of his home.
Crossover - City of Heroes & Avengers - Rated: T - English - Supernatural/Adventure - Chapters: 1 - Words: 2,126 - Favs: 1 - Follows: 1 - Published: 9/10/2012
by The Literary Lord reviews
Danny ends up in Paragon City, The City of Heroes! and has to help its heroes fight the villains, who want Danny and his powers on their side!
Crossover - Danny Phantom & City of Heroes - Rated: T - English - Chapters: 1 - Words: 591 - Reviews: 3 - Favs: 3 - Follows: 9 - Published: 6/11/2012
by Knight One reviews
Mara Jacobs was once a normal computer system engineer, now she's a super-powered heroine. This is her story.
Crossover - City of Heroes & Champions Online - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 753 - Reviews: 1 - Published: 8/2/2010
Trouble at Paragon City!
City of Heroes is the property of NCsoft, WoW is the property of Blizzard, All characters belongs to me, The universe they are in, property of their respective owners. Story of evil vs good, betrayal vs Loyalty, Neutrality changes
Crossover - Warcraft & City of Heroes - Rated: T - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 866 - Updated: 7/19/2010 - Published: 7/11/2010
The Marin Incident
Something happened on March 12, 2009 in both Paragon City and the Rogue Isles. The only two people who know what really happened are a superhero with repressed memory problems and a convicted supervillain. What is the truth behind the Marin Incident?
Crossover - Misc. Comics & City of Heroes - Rated: T - English - Mystery/Sci-Fi - Chapters: 2 - Words: 4,237 - Updated: 6/3/2010 - Published: 7/26/2009
by JoeB1451 reviews
When the last bus out of Sunnydale falls into a portal they find a world more than willing to help them find home. As long as they figure out who they can trust.
Crossover - Buffy: The Vampire Slayer & City of Heroes - Rated: T - English - Adventure - Chapters: 1 - Words: 4,434 - Reviews: 2 - Favs: 4 - Follows: 4 - Published: 3/16/2010
by Arthur Hansen reviews
Harry Potter, the Boy Who Lived. Only child of James and Lily Potter. So who was this young girl found with him on that fateful night? Moved to the proper cross-over category. What do you mean, how is it a City of Heroes crossover?
Crossover - Harry Potter & City of Heroes - Rated: T - English - Drama/Fantasy - Chapters: 1 - Words: 17,970 - Reviews: 25 - Favs: 36 - Follows: 63 - Published: 11/2/2008
Beacon of Hope on the Hellmouth
by Arthur Hansen reviews
Heroes are not made, they decide to stand up and for others. What will Buffy do when a superheroine ends up in Sunnydale on her first day of school?
Crossover - Buffy: The Vampire Slayer & City of Heroes - Rated: T - English - Adventure/Drama - Chapters: 3 - Words: 24,658 - Reviews: 10 - Favs: 21 - Follows: 22 - Published: 3/3/2007