My Basic Magic Can Be Stacked

Necromancer: "Raven has awakened all elemental attributes. He can master all elemental magic in the world." Fallen Lord: "What's the price?" Sin Priest: "The price is that he cannot master every magic." The Lord of Evil: "Haha, what's the use? I'm just a mortal! No need to worry!" Raven opened the door and looked at everyone. "What are you talking about? Eat my torrent, conductive spark, gravel, frozen magic arrow first!"