Bazooka
Though it was dark, with Lex's improved eyesight, it was easy for him to see their actions clearly. They were trained warriors, of that there was no doubt, and they had excellent teamwork as well.
They were much stronger than the monsters assaulting them, but there was strength in numbers as well. Moreover, the monsters born of darkness had no set pattern, and so it was difficult to come up with a fixed strategy to face them. Some attacked from afar, and some slithered right at them.
Lex watched silently as they slowly made their way towards the tavern. A few times, he noticed that some monsters were able to sneak up on them and managed to land a few hits. They were mostly unharmed, but that was solely due to their armor, which seemed to have some kind of enchantments.