Toaru Majutsu no Index - Volume 19, Chapter 3: Destruction will open up a wider path. Battle_to_Die.

[WARNING: MATURE CONTENT]

My surname is Wu, and everyone calls me Little Wu.I've seen those Mobile Battle Armors deep underground that surpass human imagination,and I've also witnessed someone in the asteroid belt of space punch a star to pieces with a single Fist.Buddy, listen up, here are some of my fight insights:When fighting the Dragon Clan, don't listen to what they say, just keep hitting them until they're dead;Dealing with fairies is a bit tricky, it's best not to let them see you, and to take sneaky shots;When it comes to orcs, there are two words for it, wrestling naked!If a Devil is looking for trouble, just desperately twist its horns, and it's bound to kneel;Alright, I'm off to fight in a bar now, more detailed content when I get back.

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

A young boy genius, Suo Jia, is a water mage who dreams of being a warrior travelling the great and dangerous trade routes to find his lost father that set off on them before Suo Jia was born. Having to look after his sick mother, Suo Jia manages to find a way to solve all their problems, as well as make a name for himself. He gathers nobility, vast wealth, items of great power, knowledge lost to the ages, and exceptionally talented females around him as he plots and plans – preparing to set off on an epic journey that will go down in history as a new legend. However, will others that depend on his powers so much be willing to let him go on such a dangerous journey so easily?

- Description from Novelupdates