You Said You'd Be a Bottom-Rung Disciple, So How Did You Become an Immortal Emperor?

Before going up the mountain... "Junior Brother, I can tell you have extraordinary bones and a deep affinity for the immortals. You're a once-in-a-thousand-years cultivation genius. A little training, and you'll make something of yourself." After going up the mountain... "Junior Brother, you can't handle this treasure. Let Senior Brother keep it safe for you!" "Junior Brother, this cultivation treasure is a real gem. If you run into any trouble, come to me and I'll help you..." "Junior Brother, weren't you supposed to stay a low-ranking disciple? How did you become an Immortal Emperor?"