Zelda: A Link to the Past Walkthrough - the Pendant of Wisdom

You'll need the flippers to get any farther at this point. Once you have 500 rupees, head for Zora's Falls in the very northeast corner of the map - the path is near the witch's hut and blocked by a boulder you can now lift.

Follow the north water path until it forks in three directions to the east and take the lower path to meet Zora. After buying the Flippers from him, swim down the waterfall south of him and then head west to the heart piece on the island. After leaving Zora's Falls, swim to the Waterfall of Wishing just to the left. Throw your shield into the Mysterious Pond and the fairy will give you the Magic Shield. Throw your boomerang in to get the Magic Boomerang.

Now get the third bottle from the guy under the bridge south of the East palace. Follow the river south of the hills to the ledge you can jump off, then swim back the other way under the bridge. With all that done, it's time to head for Death Mountain.

The cave to Death Mountain is north of Kakariko Village, east of the Lost Woods. Lift the boulder to get in the cave and go east until you meet the old man who will join you. He will guide you through the rest of the cave. Once you exit onto the mountain, watch out for the falling rocks and the little monsters that turn to stone when hit but not destroyed. The old man will enter the cave to the south and give you the mirror. Follow him in there and take the path behind him to get to the next level - it's pretty simple.

On the second level, go west and take the long stairway to the next level. You'll see three spots in front of Spectacle rock where you can jump down; jump down the second gap at its far right edge and enter the cave on the ledge you'll land on. You'll find a heart piece on the second floor of this cave. Jump down off the ledge outside the cave and head back up to the third level. When you see the blue gateway east of Spectacle Rock, step into it to enter the Dark World.