Blazon (Vexillological Description):
A tricolour of three equal horizontal bands of white, red, and blue, charged at the center with a heraldic shield bordered azure and argent. Within the shield, on a field of argent and azure, stands a lighthouse proper issuing from stylized waves argent, backed by two snow-capped mountains of azure on the horizon. The chief of the escutcheon is embattled azure.

Symbolic Interpretation:

• The white field denotes purity and peace.
  
  

• The red field signifies valor, patriotism, and the lifeblood of the nation.
  
  

• The blue field represents the maritime domain and steadfastness.
  
  

• The lighthouse serves as the national beacon — a symbol of wisdom, vigilance, and guidance for seafarers and citizens alike.
  
  

• The mountains stand for the natural fortitude and enduring spirit of the Lyszenian homeland.
  
  

• The embattled chief evokes the strength and defense of the realm.
  
  

Together, the elements form an emblematic unity of land, sea, and light, encapsulating the ideals of guidance, resilience, and sovereignty that define Lyszenia.