The Second Ancestor of Alchemy

Liu Hong and Wu Xinghe, who had been begging for nine years, ended up in a dungeon due to an accident. What they saw the next day was... However, they didn't know that it was because of this accident that they embarked on the road of cultivating immortals. In this world of cultivating immortals where love is cut off, family affection, friendship, and love have become insignificant. Can they still protect each other and survive as hard as they did before... Thousands of years later, Liu Hong, a mobile arsenal, and Wu Xinghe, a mobile spring, came together... (This book is slow to read, so read it patiently)