You have to wake up Talon in the house next to the stairs that lead to death mountain, then you take a blue cucco she gave you to the lost woods where the skull kid is to her brother who is turning into a Stalfos. Then go take the mushroom he gave you back to Kakariko Village and go behind the potion shop and go through the door and give the mushroom to the old lady, Its shouldn't be hard to do but you have 3 min to do that. Take the Powder she gives you back to the lost woods and he will be gone and leave behind the poachers saw, take the poachers saw to where the broken bridge is just before the Gerudos area, jump the bridge with epona and give the saw to him and he will give you a broken sword. Take the sword to the top of death mountain and a massive goron will appear and give you a perscription for eye drops, go to zoras domain and if you haven't already go to ice cavern and unfreeze the zora king with blue fire and show him the perscription. Now you only have 3 min again to take the frog to lake hylia, no warping allowed take it to the weird guy there in the building and he will give you the eye drop medicine, this time you have 4 min and you will need it. Go to Kokiri forest and go through the lost woods until you get to the path the the gorons and go through it, then go through behind darunia's throne into death mountain crater and climb to the summit and give the goron the eyedrops. Now you will have to wait three days and he will give you the biggoron sword.