We're all choosing dungeons to work on nearly alone (like people can pitch ideas in on dungeons that are taken, but they are still interested in.)
Forest Temple
Gem: Emerald
Boss: Unknown (not sure if the thing MB made was actually the boss, nobody has claimed the forest temple yet though)
Mid-Boss: Unknown
Mid-Boss Item: Unknown
Mapping: Incomplete
Fire Temple
Gem: Ruby
Boss: Prism Demon: Dragon?
Mid-Boss: Unknown
Mid-Boss Item: Bow?
Mapping: Incomplete
Water Temple
Gem: Sapphire of Pressure
Boss: Prism Demon: Giant Squid
Mid-Boss: Prism Demon: Porcupine Fish
Mid-Boss Item: Aquatic-rang (working name xD)
Mapping: Incomplete
Temple of Sand
Gem: Topaz
Boss: Prism Demon: Poe
Mid-Boss: Prism Demon: Cobra
Mid-Boss Item: Mirror Shield
Mapping: Incomplete
Temple of Ice
Gem: Diamond
Boss: Unknown
Mid-Boss: Unknown
Mid-Boss Item: Unknown
Mapping: Incomplete
Temple of Time
Gem: Opal of Extent
Boss: Prism Demon: Queen Ghoma (we gotta have Ghoma!)
Mid-Boss: Unknown
Mid-Boss Item: Unknown
Mapping: Incomplete
Temple of Courage
Light: Light Shield
Boss: Unknown
Mid-Boss: Unknown
Mid-Boss Item: Unknown
Mapping: Incomplete
Temple of Wisdom
Light: Light Armor
Boss: Unknown (working on it, Owl maybe)
Mid-Boss: Unknown
Mid-Boss Item: Unknown
Mapping: Incomplete
Temple of Power
Light: Master Sword imbued with Light to create: Light Sword
Boss: Zephyron
Mid-Boss: Blacknut
Mid-Boss Item: Winged Boots
Mapping: Incomplete
Castle Hyrule
Boss: Ganon[dorf]
Mid-Boss: Unknown
Mid-Boss Item: Unknown
Mapping: Incomplete
Jason, I changed your Temple of Sand's bosses names. xP I'm sorry, just they should follow the "Prism Demon: *animal here*" Name pattern. That's only for the first five temples though.
~desu Saba~