Red in Tooth and Claw is a world event in Cent in Assassin’s Creed Valhalla.
Your task is to kill the wild boars and find the man inside the house.
Here’s a walkthrough of Red In Tooth And Claw in AC Valhalla.
To begin the world event, head to the location shown below, marked by the map marker.
Kill the boars
As you reach the area, you will see three boars outside the house.
Kill them all.
Enter the house
You will hear a man shouting from inside the house. Get the key near the dead body outside.
Enter the house and you’ll discover that the man just died.
The world event ends here.
AC Valhalla: Medeuuage Megaliths Standing Stones (Cent) Guide
Assassin’s Creed Valhalla: Puppets And Prisoners Walkthrough