Isn't there a deku scrub in a blocked cave one screen north of the first screen?
Haven't located that myself. Did find the one who tells you where to get the Noble Sword but I can't seem to locate anyone who tells you how to do it the regular way and get to the Ancient Ruins. Had to use the FAQs.
1st Rule of GameFAQs: Insult anyone who dares to find a game hard. 2nd Rule of GameFAQs: Obscure your own lies by accusing other people of lying first.