A Few of My Friends Who Cultivate Immortality

Sui Sui is an incredibly powerful talisman cultivator, the kind who can take down an immortal with a single talisman. She originally saved up money to go to the cultivation world for a friend, but later took up cultivation so she could punch one brat after another. Then she discovered that not only was she great at drawing talismans, but cultivation came as naturally to her as swimming to a fish.

A relaxed-paced cultivation story + even the author doesn't know how it ends