When science met magic, alchemy was born. Rino never once gave up on making alchemy advancements. However, he wasn't expecting an alchemic development to occur at the beginning of a complex civilisation.
Extracting gold from the ores and refining them was a difficult process, enough to make Rino turn to magic and away from the tutorial for help. His first few attempts could only be classified as pathetic.
Not understanding the reasons for metal merging or the uses of dark magic, Rino fumbled for a long time. The time extension was purchased but the promise was long forgotten.