After Three Years of Cultivating the Golden Elixir, I Return with a Sword

(Masters go down the mountain + practice + kill monsters to upgrade) Three years ago, Lin Qingxuan was forcibly abducted into the mountain by an old man who flew over his head with a flying sword. Completely ignoring his personal wishes, forcing him to practice day and night. Under the oppression of this hell mode and unremitting efforts, it only took three years to forcefully cultivate Lin Qingxuan's cultivation to the early stage of the Golden Core Realm. "Go down the mountain and go home!" The old man suddenly said to Lin Qingxuan that day. Three years later, when he returns with a sword, what kind of storm will he cause?