Scattered throughout the world of Hyrule in specific locations are mini-bosses you can battle. When you encounter a boss their name will appear at the top of the screen, along with its health meter. Also, each boss will have its own music. The list below will show you where each mini-boss resides and what items they drop.
Overworld Mini-Bosses
Stone Talus (HP 300) (HP900)
Locations: 3x Faron, 2x Hateno, 5x Dueling Peaks, 1x Central Hyrule.
Item Drops: Amber, Opal, Ruby, Flint
Stone Talus (Luminous) (HP600)
Locations: 2x Central Hyrule, 1x Gerudo, 3x Tabantha, 1x Ridgeland.
Item Drops: Amber, Opal, Topaz, Diamond, Luminous Stone, Flint.
Stone Talus (Rare) (HP900)
Location: 2x Central Hyrule, 1x Gerudo, 3x Tabantha, 1x Ridgeland.
Item Drops: Amber, Opal, Ruby, Topaz, Diamond, Sapphire, Flint.
Igneo Talus (Rare) (HP800)
Location: 5x Eldin
Item Drops: Flint, Opal, Ruby, Diamond.
Frost Talus (HP800)
Location: 2x Gerudo, 3x Hebra.
Item Drop: Flint, Opal, Sapphire, Diamond.
Hinox (HP 600)
Location: 3x Faron, 3x Hateno, 1x Lanayru.
Item Drops: Hinox Toenail, Hinox Tooth, Hinox Guts, Apple, Wildberry, Palm Fruit, Voltfruit, Mighty Bananas, Fortified Pumpkin, Hearty Durian
Blue Hinox (HP800)
Location: 1x Lake Tower Region, 2x Faron, 1x Hateno, 3x Lanayru, 1x Akkala, 3x Woodland, 3x Central Hyrule.
Item Drop: Hinox Toenail, Hinox Tooth, Hinox Guts, Roasted Hearty Bass, Roasted Bass, Roasted Hearty Salmon, Roasted Trout, Roasted Carp, Roasted Porgy, Sneaky River Escargot, Blueshell Escargot, Blackened Crab.
Black Hinox (HP 1000)
Location: 1x Faron, 1x Lanayru, 2x Akkala, 1x Hebra, 1x Tabantha, 1x Central Hyrule.
Item Drop: Hinox Toenail, Hinox Tooth, Hinox Guts, Seared Steak, Seared Prime Steak, Seared Gourmet Steak, Roasted Bird Drumstick, Roasted Bird Thigh, Roasted Whole Bird.
Stalnox (HP 1000)
Location: 1x Lake Tower Region, 1x Faron, 1x Dueling Peaks, 2x Central Hyrule, 1x Akkala, 1x Woodland, 1x Hebra.
Item Drop: Hinox Tooth
Molduga (HP 1,500)
Location: 4x Wateland
Item Drop: Molduga Fin, Molduga Guts, Treasure Chest.
Lynel (HP 2,000)
Location: 2x Lake Tower, 1x Faron, 1x Hateno, 1x Central Hyrule, 1x Ridgeland, 1x Lanayru.
Item Drop: Lynel Horn, Lynel Hoof, Lynel Guts
Blue-Manned Lynel (HP 3,000)
Location: 1x Gerudo, 2x Akkala, 1x Lanayru, 1x Central Hyrule, 1x Hebra, 1x Woodland.
Item Drop: Lynel Horn, Lynel Hoof, Lynel Guts.
White-Manned Lynel (HP 4,000)
Location: 1x Gerudo, 1x Central Hyrule, 3x Hebra, 3x Woodland.
Item Drop: Lynel Horn, Lynel Hoof, Lynel Guts.
Silver Lynel (HP 6,000)
Location: -
Item Drop: Lynel Horn, Lynel Hoof, Lynel Guts, Amber, Opal, Topaz, Ruby, Sapphire, Diamond.
Dungeon Bosses
Windblight Ganon
Fireblight Ganon
Master Kohga
Thunderblight Ganon
Waterblight Ganon
Calamity Ganon
Dark Beast Ganon
Mini-Boss Battles
The video below is a compilation of mini-boss battles in the game.
00:00 - Stone Talus
00:53 - Hinox
02:26 - Other Hinox Locations
02:48 - Stone Talus (Senior)
03:44 - Molduga
05:33 - Stalnox
06:52 - Igneo Talus
07:46 - Guardian Stalker