Alexander had sent half of his team to accompany Sebastian because he wanted Sebastian's protection more than anything at the moment. He needed to be alive to keep Hera safe. So he made sure no danger would follow Sebastian and kept his enemies at bay as best as he could.
Since both the Baresi brothers were dead, he no longer wanted to waste his time there. The enemy they were fighting now was unknown, and Alexander knew the hired goons when he saw one, and the culprit could only be either Christopher or Johnathan.
He knew the mastermind operating behind Johnathan was his best friend's father.
'Christopher Castellanos, pray that my Felicity lives because if she dies, I'll not let anyone live.'
Alexander vowed.