Lex had not noticed because of how distracted he was, but Alexander had reacted strongly to the message he had received. He couldn't help it, the person contacting him was so high up in the command chain that someone at his level should never have had the opportunity to contact him.
Earthlings had heard directly of general Ragnar. But realistically, it was literally a thousand years too early for Alexander to come into his purview. Although Alexander was technically stationed somewhere on the command carrier that the general controlled, the chain of command it contained was more complex than anything Lex had encountered.
He quickly hailed a golf cart and made his way to the small village the empire was using as their base. Without wasting any time, he directly went to a familiar looking building where he was directly led to a meeting room.
