Shadow Over the Heavenly Throne - Chapter 21: The world doesn’t change through beautiful ideals

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume

In a world where reality shifts with every roll of the dice, a man daily partakes in an extraordinary game with the gods, his actions dictated by his decisions and the face of the dice. He takes great joy in this game until the tables turn, and he himself becomes a piece on the game board. Now, the dice are in his hands, and it’s his turn to shape his own destiny. It’s time for the Snowman to play his part.

Everyone transmigrated to the High Continent and became a Lord to participate in the conquest between Lords from all the other races.
A few lucky Lords would receive Lord Talents.
“Hah! My talent is the Knight’s Hall, a Diamond-Tier Lord Talent! My subjects can job change into a unique warrior class, the Combat Spirit Knight!”
“My Lord Talent is the King of Abyss. I can summon demons to become my subjects!”
“I have a lot of subjects who are scientists! I can create advanced technologies!”
“My Talent allows me to cultivate! I’ll become a celestial!”
Zhou Zhou received a Legendary-Tier Lord Talent — 100% drop rate!
Not only could he see the things he would receive from an enemy, but his enemies would drop all of their loot when they were defeated.
“Watch as I make you drop your Talents!”

Carn wakes up from a vivid dream where he spent a thousand years as a gargoyle, guarding a demon lord's tomb.In this dream, he possessed supernatural powers, including the ability to teleport and instantly kill anyone within range who broke eye contact with him. Heroes, saintesses, adventurers, all fell before him.When he returns to his normal life, things take a strange turn. Carn realizes he still has the gargoyle’s powers, and the world he has woken up to seems different.But adjusting to the new reality is not the real issue. Carn brings back something nobody in this world has imagined. Not only he imports his powers to this alternate Earth, but he also carries over his gargoyle instinct and his hobby. He loves snapping human necks.Whether it's ordinary humans, explorers, super soldiers, cyborgs, mutated beasts, monsters, or mysterious entities from other dimensions, Carn eagerly anticipates snapping their necks, one neck at a time...In secret, of course.