This is not so much a puzzle as a 'run the maze' exercise. Below are some graded hints leading to the solution. It assumes you know key 85. If you don’t know it, then don’t continue. . .
Go to journal29.com/entrance. You land on a page that is a simple directional maze. All paths in the maze lead to 10 different dead ends, but one of them has a word written on the wall that is the answer to the puzzle. Use the L, U, D, R arrows under the picture to work your way through the maze.
The correct path is initially the left door from the opening room.
From the starting room, go L, U, L, R, R.
And the solution is below. DO NOT CLICK IF YOU DO NOT WANT TO KNOW THE ANSWER!!