I thought about this every night for thousands of years. A million nights. No matter what battle I had won that day, what greater mystery I had unlocked. No matter how many supple bodies lay beside me in my bed at night. I am always thinking about how this ends. 
Appearing in "X of Swords: Chapter 21"
Featured Characters:
Supporting Characters:
- Bei the Blood Moon (Leaves the Swordbearers of Arakko)
- Omniversal Majestrix Opal Luna Saturnyne
- Shogo Lee
- Jubilee (Jubes Lee)
- Green Priestess
Antagonists:
- Amenthi Daemon Horde
- Horsemen of Apocalypse
- Swordbearers of Arakko
- Annihilation / Genesis (Possessed by Annihilation)
- Pogg Ur-Pogg
- Isca the Unbeaten
- War
- White Sword (Leaves)
Other Characters:
- White Priestess
- Ryl
- One Hundred Champions
- Gorgorn (Tomi Shishido) (Mentioned)
- Rockslide (Santo Vaccarro) (Mentioned)
- Captain Britain Corps (Reforms)
- Captain Britain (Betsy Braddock) (Stained-glass mosaic)
- The Violet Swan (First appearance)
- Captain Baboon (First appearance as Captain Baboon)
- Captain Amphibian (First appearance)
- Multiple other unidentified Captain Britains
Races and Species:
- Otherworlders
- Daemons
- Mutants
- Human-Otherworlder Hybrids
- Technarchy
- Humans
- Dragons
- Vultures
- Swans
- Baboons
Locations:
- Otherworld
- Starlight Citadel
- Avalon, Fair Courts (Mentioned)
- Dryador, Foul Courts (Mentioned)
- Amenth (Mentioned)
- Krakoa, Pacific Ocean, Earth, Prime Earth Universe (Mentioned)
- Hell (Invoked)
Items:
- X-Uniforms
- Transmode Virus
- Soulsword
- Sword of Might
- Captain Avalon's Uniform
- Adamantium (On Wolverine's claws and skeleton)
- Wolverine's Suit
- Twilight Sword
- Pogg Ur-Pogg
- Seducer
- Mercy
- Vermilion
- Purity
- Starlight Sword (Mentioned) (Destroyed)
- Captain Britain's Uniform
Synopsis for "X of Swords: Chapter 21"
- Synopsis not yet written
Solicit Synopsis
X OF SWORDS, CHAPTER 21
A game abandoned, but a great gamble remains. A Tower answers.