The Wrong Way to Use Healing Magic - Chapter 25Vol 11.

You—once a genius, who died young and reincarnated into a magical world.Yet your birthplace was nothing more than a ruined village at the world’s very edge.A village with not the faintest trace of magic or miracle.And of course—you were no different.But you did not give up.With all your strength, with every scrap of knowledge from your past life, you raised that village to new heights.And so, forty years passed.You became the leader, revered and trusted by all.Just as you were ready to accept a plain, ordinary life—suddenly:[Ding! Host’s support in the village has reached 100%. Supreme Creator System activated.][System binding initiated…][System binding delayed by 40 years. Calculating compensation rewards…][Compensation issued: 99999…9999 System Points. System Store now active.]Finally—forty years! Do you have any idea how I endured these forty years?!System!Redeem: 999,999 Levels!Redeem: Calamity Puppet Army!Redeem: Supreme Universe Core!Redeem: Throne of Annihilation!Redeem: Directive of Causality Erasure!…Ten thousand centuries later.On the battlefield of the multiverse.The allied fleets of dozens of high civilizations tore open a cosmic barrier.“What universe is this? Why has it not yet submitted to our Federation?”Before the words were finished, the starry sea beyond flared into blinding brilliance.Billions of rivers of time reversed their flow before their eyes, and the laws of the entire multiverse began to hum in unison.An invisible pressure descended, forcing every being to the ground, unable to lift their heads.Then came a calm, middle-aged voice:“Welcome… to my universe.”

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

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

“Hmph, my dumb big sister is in danger!” A mischievous grin spread across his face. “Hehehehe... this gives me the perfect excuse to finally use this treasure I’ve acquired but never bothered with!” He rummaged through his belongings, carefully selecting various items. “A bit of this... and this... and a dash of this.” Boom! The explosion of energy sent a ripple through the air as he laughed maniacally. “Hahaha! It’s done! Now, all I need is a compatible host for it.” Years later... “Did I overdo it?” he wondered in awe, watching as his creation wreaked havoc, conquering world after world with ease, as though stealing candies from children.