Family Heirloom 1
Head straight from entrance following the bridge north until you reach an area filled with statues and souls. Before the next door, turn left and head down a side path, walking across a ledge. Once you emerge, head up the climbing wall to the left. Crawl to the top of the rock and climb left to find the way down to another level. Once at the bottom, head to the first pillar on the right to find the black vines. Burn the vines to reveal the hidden artifact.
Family Heirloom 2
Head straight from the entrance and follow the bridge north through the area filled with statues and souls. Crouch under the rock past the doorway along the bridge there and turn right. Follow the path past the helwind container. Climb up the stone steps to the north and turn east to shoot the red sap revealing the artifact right outside the hidden chamber.
Family Heirloom 3
Upon entering Helheim, this artifact will be to the right before crossing the bridge
Family Heirloom 4
Head into the hidden chamber and take the elevator to the bottom. Head up either set of stairs and find the artifact on the left side of the room.
Family Heirloom 5
Head straight from entrance following the bridge north until you reach an area filled with statues and souls. Before the next door, turn left and head down a side path, walking across the ledge. Once you emerge, head up the climbing wall to the left. Crawl to the top of the rock and climb left to find the way down to another level. Once at the bottom, swing to the right and climb down into the pit below. Climb up the eastern wall and head in the cave between the two statues. Look up and to the left to see thorns under the bridge that you can burn with the blades of chaos, dropping the hidden artifact.
