As Xiu said, the Dwarf King did not look like his age now. He was actually older than Mumu Fan.
However, half a year ago, the king suddenly showed signs of rejuvenation. His age regressed step by step and his appearance changed accordingly.
From an old man to a mature and steady middle-aged dwarf, to a vibrant young man, and then to a slightly inexperienced teenager, until now he had gradually degenerated into a teenager equivalent to a dwarf of about thirteen years old.
This step-by-step regression lasted for half a year. Every time he woke up, he became younger.
At first, the king and Mumu Fan did not care about this phenomenon. After all, rejuvenation was a good thing. After all, this would mean that the king would be able to rule the Storm Continent for a longer time.
However, as this degeneration became more and more serious, the situation was no longer optimistic.