Legend of Zelda: Twilight Princess (The)

Bomb Bags
Bomb Bag 1 - Purchase from Barnes Bomb Shop in Kakariko after the second temple.
Bomb Bag 2 - Free the Goron from the giant lava rock located underwater in Zora's Domain.
Bomb Bag 3 - Destroy the rock barriers for the River Canoe Mini-game owner.
Bomb Bag Capacity Upgrade - Score 25 points or more on the River Canoe Mini-Game. (Is applicable to all bags.)
(Link's Master)

Bottle at the Fishing Hole
At the fishing hole, find the 'No Littering!' sign and fish on the right side of the bridge that is near that sign to get a bottle. You'll see that it's darker water than normal.
(Link's Master)

Bottle With Fairy Tears
Bring back 20 Poe Souls to Jiovani
(Link's Master)

Malo Mart - Castle Branch - and Magic Armor
After donating 1000 rupees and completing the hot springwater sidequest, donate 2000 more rupees to Malo Mart. A new Malo Mart will open in Castle Town and magic armor will be available for purchase there.
(Link's Master)

Unlock Fairies in the Eldin Spring
Complete 30 rooms in the Cave of Ordeals.
(Link's Master)

Unlock Fairies in the Faron Spring
Complete 20 rooms in the Cave of Ordeals.
(Link's Master)

Unlock Fairies in the Lanayru Spring
Complete 40 rooms in the Cave of Ordeal.
(Link's Master)

Unlock Fairies in the Ordon Spring
Complete 10 rooms in the Cave of Ordeals.
(Link's Master)

Unlock the Great Fairies in all the Springs
Complete 50 rooms in the Cave of Ordeals.
(Link's Master)