I Just Want to Survive, but the System Forces Me to Be Invincible

The world is like a prison, and disasters occur. When Li Yan woke up, he traveled to the modern era of Gaowu, where disasters invaded. During the class's awakening ceremony, the students summoned powerful disasters one after another, and displayed various talents and skills. When it was his turn, he awakened a mutated succubus. Facing the strange looks from teachers and students in the school, Li Yan looked calm and composed. When his Succubus activated his ability, the rock-armored pig with the strongest defense in the class started to rub the ground crazily. What's even more frightening is that Master Liu Meng's eyes gradually turned fiery when he looked at Li Yan... Li Yan screamed crazily in his heart: Damn it! ! Can this skill still be used like this? !