Elemental Summoner of the Apocalypse

This is a world in an apocalyptic setting where magic and power are used to survive. Li Li, a graduate student working in an open-pit coal mine, was having a meeting with two female colleagues when a strange red mist revealed the prelude to the end of the world. By constantly opening treasure chests, Li Li became a powerful elemental summoner. He also had shield warriors, great prophets, puppet masters, etc. In his team. In the human survivor base, you not only have to face the skeleton army from another world, but you also have to guard against backstabbing from your companions. Let's see how our protagonist becomes more and more powerful step by step!