I can't quite remember the name of it, but those hands that dropped down from the ceiling spooked me the most. When I played Majora's Mask, my first Zelda game, and I was exploring the bottom of the well in the dead place, the only warning I had was the whoosh of the wind, and then BAM! A fleshy thing just came down and sent me to the start again! I thought for some time that it was invincible, too, so that made things worse.