Place it in the furnace and press the button to burn it to get rid of the bloodfly infestation in the present. There’s a dead hound on the ground in the past.You’ll find yourself in a strange cubby - crawl inside. To get inside, crawl under the desk near the room in the past, then switch to the present.Black Bonecharm #1: You’ll find this bonecharm hidden behind a locked medal door on the first floor, to the left of the main hall.Grab the rune in the flooded basement to unlock the “ Flooded Basement” achievement / trophy.Go back to the present (where the hole is much larger), grab the crank under the water and use it to drain the basement by attaching it to the empty crank slot in the next flooded room over.Grab the crank and throw it through the hole in the wall where you can see a bloodfly infestation.

Find the red crank (only appears in the past) in the open display case in the corner.Rune #2: Go to the basement (accessible from the main hall, or by using the past elevator) and find the ruined wall where two guards are waiting.Stand on the roof through the hatch, then return to the present. Go to the past to get inside the lift while it is in the basement. Bonecharm #1: Found inside the destroyed elevator.Enter the ruined display room with the circular hole in the center. Rune #1: At the start of the mission, take the central stair up to the second floor.

Dishonored 2 mission 7 basement rune