Zora Armor
The Zora Armor is an essential item that Link acquires from Queen Rutela after escorting the carriage containing Telma, Prince Ralis, and Ilia to safety in Kakariko Village. When Link dons the armor he will be able to breathe underwater indefinitely and swim much faster then normal, much like a Zora. The armor also features the unique ability to brighten underwater areas making it easier to navigate the dark tunnels of Lakebed Temple. The only drawback to the armor is that Link becomes extremely vulnerable to fire and ice damage, so you must be cautious while wearing it. Although this item makes it easier to navigate underwater, it is not possible to use this item to stand on the sea floor. Instead the hero must additionally wear the Iron Boots or the remove the armor in favor of wearing the Magic Armor while having no Rupees. However, you will not gain the benefits of breathing indefinitely and the lighting will darken once more if you wear the Magic Armor instead of the Zora Armor. Despite this it is possible to use a combination of the two armors to bypass the need to use Iron Boots to enter Lakebed Temple, defeat Morpheel, defeat Zant, and accomplish other underwater tasks.