Lan Hao was a 'player'.
Ever since he received that 'invitation', he found himself in this strange world in his dreams every night.
Everything here felt so realistic and was filled with a mysterious power, making it hard for him to leave.
Players could take on the roles of 'warriors', 'mages', and various other covert professions, an experience so enticing that any ordinary person would succumb to its charm.
'This game must be created by gods or aliens!'
A consensus had formed among many players.
The only requirement for a player to progress in the game was to kill 'monsters' and 'beasts', and absorb their 'energy cores' for cultivation.
He had joined a small guild as a 'ranger', largely equivalent to an ancient spy, whose primary duty was to find wild monsters.
"Last time, there emerged a world-class BOSS, the 'Destruction Dragon', so mighty it was terrifying. It even escaped in the end, which was just unbelievable... If I find it, I'll strike it rich."