After advancing for a while through the streets of Dublin, they reached some walls with a style similar to the city walls of Asgard, with an Italian trace design. Einar could feel a feeling of happiness when seeing that.
Because it showed that his father-in-law had confidence in him because although the Italian-style walls might seem weak or easy to attack, they were actually the most resistant walls at that time.
Because they were made to withstand artillery hits, which gave them more defensive advantage than traditional walls.
After passing through the walls, Einar was surprised to see that his father-in-law had started a construction very similar to that of the imperial palace. Vilhelm, seeing Einar's face only laughed.