The color of the potion immediately became more uniform, changing from a light blue to a clear sky blue, emitting a fresh and pleasant fragrance.
At the same time, Ron was pleasantly surprised to discover that the potion, originally expected to last only four hours, could now last at least over five hours according to his calculations.
A translucent prompt appeared before his eyes:
[Successfully improved an existing magic potion formula √]
With this, only the last requirement for advancement remained—to independently prepare three kinds of advanced potions, which was the easiest of the advancement requirements, and he could complete it himself when he returned later.
"All three potions are completed." He carefully placed the potions into the prepared crystal bottles and began to meticulously check if there were any details left unaddressed.
"Time's up!" The Demon Eye Vine, responsible for monitoring the exam, automatically descended and began playing the pre-recorded voice:
