Going through the Ancient Cistern solving puzzles involving water, a statue in the center and a newly acquired whip, the boss is Koloktos a gold statue with multiple arms and weapons controlled by Ghirahim, at the end the flames of Farore are used to improve the Goddess sword to make it longer and deal twice as much damage
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https://www.youtube.com/watch?v=f8Lw87KYM-E
Link meets one of the Goron elders Gor Coron, beats him in a Sumo match and is asked to help the Gorons by restoring Darbus their leador to normal, Link enters and goes through the Mines(which are full of Magma) gathering the 3 key shards to unlock the door to the area Darbus is being held from the 3 other elders, Link is given the heroes bow after defeating a armored Goron guard and uses it and the iron boots to get to and unlock the door holding Darbus who has turned into a fiery monster called Twilit igniter Fyrus, Link using the iron boots and the Bow manages to overpower and defeat the monster who then turns back into Darbus, the Second Fused shadow is aquired and Link returns to Kakariko village where the light spirit tells him to head north where the third fused shadow and Llia are
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https://www.youtube.com/watch?v=N_ugjacwTdA
Michael Ford is sent to a oil rig after Adams by a Conduit he escaped through the end of the first game, Mr Turbo has to chase and stop Adams
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https://www.youtube.com/watch?v=oT0BIPl4L6c