Magic System in a Parallel World - Chapter 27: Outside the City Walls

... ll take some time before we reach the city walls, I will explain to you about monsters.” Miss Camille said to him.

“W-Wait… City walls?” Leo looked at her with raised eyebrows. There was no such thing in his old world.

“This city is surrounded by a massive wall. It prevents monsters from entering and makes it harder for vampires to sneak inside. There’s also a powerful magic barrier that protects the city from any magic attacks from the outside.” Miss Camille explained.