Lord of Winter: My System Can Be Upgraded

What is your first reaction when you wake up with a beautiful woman lying next to you? Of course, buckle the gills! I want to check the license~ Unfortunately, the sixth young master transformed into the trash of the Vizcaya family. The family advocated force, but this unsatisfactory original person only awakened the trash identification skills and was immediately exiled to a cold and miserable land. Fortunately, my arrival seems to have mutated this skill, and I can see the upgrade route of everything! Also unlocked the golden finger! What does it mean that I can upgrade the things given by the system? Ed looked at the rock puppet summoning stone given by the system in his hand [Upgrade route: Rock Puppet → Iron Rock Puppet → Steel Stone Puppet → Earth Spirit Puppet →? ? ? Standing in front of the Dwarf King many years later, an artifact? This still requires forging. Isn't it enough to have hands? Is this not a BUG? This book is also known as: "I rely on system bugs to create artifacts", "Transformed into a waste lord:", "Others awaken to fireworks, I awaken to move bricks", "From a waste to the king of the north", "I build infrastructure in a different world"