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Load the Week 4 savestate (available here). The game world has now changed to night. Octoroks are replaced by Darknuts and Armos Knights start waking up, making the overworld harder than pefore. You start outside the beginning cave. From here, head east, north, north, east, and north. Walk onto the wooden platforms and grab the Heart Container. Now continue north, west, west, west, west, north, west across the water, west, west, north, and east. Bump into the Armos Knight second from the left. It will move, revealing a Power Bracelet! This allows you to move the small boulders on the overworld. Grab the Power Bracelet and head east. Push the rock aside and head north, east, east, east, east, east, south, west, and enter Dungeon 7.