Universe of Magic

The Magic Universe is a common name for the world parallel to ours. It's pretty similar, however there's one big difference. Magic exists here as a powerful, infinite physical energy flowing through time and space. It usually flows in harmony, however, errors occur sometimes. This causes gateways to open.

In this world, Earth is populated by animals, humans and magical creatures. Magic Universe's humans have more complex brains. This doesn't really make them more intelligent than normal humans, there is just way less people with low IQ. However, their brains are connected to magical energy. Every human is born with a different level of intensity of that connection. Weak connections don't do anything at all or let people sense magic. Medium connections for example let humans use magic items. People born with strong connections are called magi. They can directly summon, control and use magical energy. Those who have extremely strong connection have powerful magical abilities that intensify with age, but, sadly, they die very young, because their organisms cannot withstand these insane amounts of power.

Magical humanity's technology is less advanced than ours, because

a) they have magic, so they don't need to progress;

b) they need to keep monsters at bay all the time.

They are as advanced as 19th century humans.