Traveling Through Time to Cultivate Immortality, What Does It Mean to Bring Your Brothers with You?

I'm new to the book, so if you have any questions, feel free to ask directly. I still listen to advice. There's no need to run away if you don't look good, you can scold me. You can add a bookshelf if you like. What? You said you two traveled through time? What? You said you can save cultivators from fire and water? Why else can you and I, brothers, have the ambition to swallow up the world?