For the next three years nothing crazy happened. Everything was calm and peaceful. After the massive purge, most of the surrounding nations stopped interfering with them so Rein was also able to spend his time without much trouble. Rein was doing fine getting top position in the school and having fun time with Sophia.
But that did not mean nothing exceptional happened during this period. There were monsters in this world and those monsters could be extremely powerful sometimes. There were powerful weapons that could deal with low level monsters but those weapons were useless against powerful ones.
So one of the responsibilities that a blessed needed to take on was to protect the city from these monsters. These monsters came in various shapes and sizes, and they also had many different abilities. So these monsters were extremely troublesome and dangerous.