Time: about 11:30 PM to 11:36 PM.
Horde.
The undead first attacked the unarmored. Those that hadn't been prepared where quickly overwhelmed. For the about fifty to seventy people in the camp, only a few were harmed in the initial attack. A minute after the beginning of the attack, three of the monsters make it through to the side of the camp facing the waters, and quickly approach the man who seems to be the leader of the Vikings, the one known as Uldthar, with one splitting off to attack the one that calls themself Cassius. They are armed with crude cudgels, but the one is armed with a rusted axe.
In the initial attack, four of the undead are killed, taking with them one for each of their deaths.
Richard
Richard had been in the camp for a while now. He had been travelling through the countryside on horseback for a while, going alongside others. He had encountered these creatures before, but not in such number as they seemed to be now. When he hears the inhuman screams of the monsters, he quickly grabs his mace, with no time to get anything else besides a torch, which he quickly lights using a nearby campfire.
He rushes through the assortment of people, running past Cassandra and Uldthar, and into the chaos that is the camp.