Then turn around and jump towards the lava waterfall. Go inside, hop over the lava directly in front of you, and open the chest for a ruby.
Image: Nintendo EPD/Nintendo via Polygonĭefeat the Horriblin at the entrance. Goronbi River Cave is located in the Eldin region, in a valley southwest of Death Mountain. Ideally you will need the Flamebreaker Armor or a fireproof elixir to enter. However, be aware that this cave has extremely high levels of unbearable heat. The first thing to do is to head to Goronbi River Cave.