There is no "beating" Zora's Domain as adult Link. The best you can do is unfreeze King Zora, as even after beating the Water Temple, Zora's Domain is still frozen.
Yes you can, from the Wii Shop Channel, if you buy it
No, your supposed to.
Zora's Domain.
the bottom of the center of lake hiylia
Most of them are in the water in Zora's Domain. But seven years later they're under the ice in Zora's Domain.
it is in the ice cavern in zoras domain
you beat the boss and get the spiritual stone and go you the temple of time and get the master sword ps:the person in blue is Zelda
You get it from the lady in the hidden village when you show her the domain rod.
(assuming this is for Ocarina of Time) as an adult purchase it for 200 rupees from the shop in Zora's Domain.
Snowpeak (the entrance is in Zora's Domain).
At Death Mountain there is a giant lava rock. Transport it to the zora domain to defrost the water.
You find them in Zora's Domain, Castle town and Lake Hylia