Cultivation into Immortality Has Reached a Bottleneck? I Will Create the Prehistoric World!

Lin An traveled to a world where the world mastered high martial arts and genetic martial arts, and became a high school martial arts student! The city of Born is facing a catacomb crisis, and countless ferocious beasts are about to swarm to the surface! Just when he felt that he should seriously practice martial arts. Congratulations to the host, reenacting the awakening of the prehistoric system, and obtained: the Hundred Days Foundation Building Technique Obtain: Three-legged Golden Crow Bloodline! "Damn it, others are practicing martial arts, but I am cultivating immortality?!" "The ultimate goal of this system is to make me repeat my prehistoric times?" Lin An looked at the system interface in shock. Forging tools, alchemy, drawing talismans, spiritual plants, beast control, swordsmanship, divination, feng shui, and spiritual roots were all completely incompetent. When warriors fought for a ferocious beast core that extended their lifespan by five years. Lin An, after completing a hundred days of foundation building, his life expectancy will increase by three hundred years! "Golden elixir, Nascent Soul, the golden crow divine fire between my eyebrows will turn into the Yuan Shen in the future! When the Yuan Shen comes out, the sword will swing for three thousand miles, the mountains will collapse and the earth will crack, the sea will overturn, and the world will be between killing people thousands of miles away and just one thought!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.