Reclusive Mage

Read manhwa Reclusive Mage
“Would you like to run away forever, or would you prefer to hide forever?”
One day, portals called “channels” opened up across the world, connecting different dimensions. As these channels opened, beings from other dimensions began to emerge on Earth, and humanity started awakening to magical abilities.
However, long before the channels opened, the protagonist Yoon Minjun could already use magic.