Spreading my wings and flourishing, I've become unbeatable since I helped my sister-in-law detoxify

Lin Yi transmigrated to a cultivation world and obtained a 'Descendant Record'. He never expected it to be a magic treasure for building an immortal family.

Thus, starting with curing his sister-in-law's poison, relying on his cheat, he married wives, had children. When enemies were strong, he hid; when enemies were weak, he went wild. Lin Yi enjoyed slacking off and still grew stronger. Unbeknownst to him, Lin Yi had already become invincible!