Ability: Choose Unknown System at the Beginning

With the emergence of Linyu, superpowers are constantly emerging throughout Blue Star! Power system! Elemental system! Spiritual system! Supreme system! Unknown system! The divine language mastered by Zhang Sheng of the unknown department will be a supreme ability! Follow your words! Crush everything! Live or die! In one thought! Kill the aliens! Destroy the demon! As he continued to improve, he finally understood the meaning of the system's existence. The key to the tower under the death abyss! What secret is hidden behind it... It's that missing past! The introduction is weak. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.