Reincarnated as a tavern owner in the world's most dangerous place

The world of Quaris was a magical world which was divided into four sectors,

The first sector belonged to the demons and demonkin, with the demon king ruling with an iron fist.

The second sector belonged to the humans, where the wise king ensured prosperity for humanity.

The third sector belonged to the elves. The elves were an intelligent race and focussed much of their resources on research and magic.

The fourth sector was generally known as the outerlands, but it also went by a different name.
And that was dead man's land.

The outerlands was an area which contained rare resources and monsters, progressively getting harder the further you went in.
The core of the outerlands was seen as the most dangerous place in the world, with only a handful of adventurers from all three kingdoms reaching it each year.

The three kingdoms sent adventurers and soldiers into the outerlands to collect the rare resources it offered, but the constant fighting for the resources resulted in tension between the three kingdoms, heck, the human and demon kingdom had been at war with each other for hundreds of years.

However, with people getting stronger by venturing into the outerlands and making powerful equipment with the resources they gathered, more people managed to reach the core.

However, with more people reaching the core of the outerlands, a strange rumour started spreading.

The rumour that a strange and mysterious tavern was located in the core of the outerlands.

But that would simply be impossible, humanity already attempted to create a city in the outerlands but it would keep on getting attacked by monsters, so it had to be impossible.

...

Right...?

"This magic whiskey that doubles your mana output? Believe it or not but I got it at some strange tavern in the core of the outerlands."

"Oh, this wine that practically instantly restores your mana? You see, there is this strange tavern in the core..."
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Join Ignys, an ex-adventurer that died protecting his friends in his bizarre life where he was reincarnated in the most dangerous place in the world!