I Sell Arms in the World of Immortality

What, I traveled through time? Yes, host, I am the super arms system! No, are you an arms dealer? What world is this? Host, this is the world of immortality! Did you make a mistake? In a world of cultivating immortals, you want to make weapons? Do you want me to sell arms in the world of immortality? Host, you better stop worrying about this, you are going to die, look, how vicious those people are outside! Mom? Am I going to die just now? System dad, please help me... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.