It was quite interesting to play around with his nephew.
Siegfried was quite a bit younger than Dilan but it looked almost like Dilan was the younger one in their duo.
Essence allowed one to slow down the aging process until one would finally stop aging. Demi Gods aged so slowly that they were already considered Immortals, but they would still age, even if it took tens of thousands of years until one would actually notice that.
Of course, there were also different factors to decide how fast one aged.
These factors included stress, pressure, and desperation…things that were normal to feel and see in the face of other humans in the era Siegfried was born and raised in. Thus, Siegfried matured quickly and he worked tirelessly to become stronger, giving him a touch of maturity.
And if that was not enough, Dilan didn't have a beard, which was the case for Siegfried.