Cataclysm: the Spirit Fox in the Opening Lottery Is the Secretary

Gu Yan traveled to a world after a cataclysm, and the whole world has been occupied by zombies! The surviving humans can only survive in underground shelters! At the beginning, millions of zombies attacked the shelter! Seeing that the shelter is about to be breached! At the critical moment, Gu Yan awakened the technology mall system! Activate the novice gift pack! Give away 5,000 elite Swarts armed with Gatling to form a wall of fire! Not enough? Then make the first charge of 600 survival points! Activate the first-load gift package! Get the personal secretary spirit fox! Obtain the skill card of the Fallen Star set! Since the firepower cannot be suppressed! Then come Star Destroyer! Use the Starfall skill card directly! Summon a Star Destroyer and destroy all zombies attacking the shelter with one strike! ... Afterwards, Gu Yan discovered that the system mall could not only sell various technological weapons! Armor Summoner! You can even purchase additional characters! Guan Xiaoyu, Kui, Yun Youyou, Butterfly, Zihan... Alas, in order to add strength to the human population plan, it seems that Dr. Z has to give some extraordinary kidney treasure mixture! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.