Lantern bits are numbered clockwise from the top. Lantern core bits are numbered from the center outwards.
Bit 1
Area: North Shore
Floor: 2
Location: Against the cliff face on the East side of the beach



Bit 2
Area: Caves
Floor: 3
Location: Left side of the Krogg merchant's room



Bit 3
Area: Caves
Floor: 3
Location: Right side of the cave near the Southern entrance



Bit 4
Area: Caves
Floor: 3
Location: In the center of the room



Bit 5
Area: Ice Caves
Floor: 4
Location: In the center of the room



Bit 6
Area: Catacombs
Floor: 7
Location: In the room blocked by rubble



Bit 7
Area: Catacombs
Floor: 6
Location: Down the stairs South of the Dark merchant



Bit 8
Area: Catacombs
Floor: 7
Location: Down the ladder to the South of the shrine where the worshippers are gathered



Bit 9
Area: Catacombs
Floor: 9
Location: Southwest corner of the room



Bit 10
Area: Blackrock
Floor: 15
Location: In the middle of the icy bridge



Bit 11
Area: Blackrock
Floor: 16
Location: In the middle of the room



Bit 12
Area: Blackrock
Floor: 16
Location: In the middle of the room



Bit 13
Area: Blackrock
Floor: 16
Location: In the middle of the room



Bit 14
Area: Blackrock
Floor: 15
Location: On the right side of the campfire



Bit 15
Area: Blackrock
Floor: 17
Location: On the left side of the room



Bit 16
Area: Blackrock
Floor: 18
Location: In the Northern part of the room



Core 0
Area: Caves
Floor: 2
Location: Obtained by shining the Lantern on the obelisk between floors 2 and 3



Core 1
Area: Ice Caves
Floor: 4
Location: Obtained by venturing to the bottom of the Ice Caves tech zone (Northernmost room on floor 4 or via the teleporter on the East side of the top of the Island - the doorway in the North of the room leads to the elevator down to the boss); the bit is given upon defeating the boss and exiting the area



Core 2
Area: Desert
Floor: 20
Location: Obtained by venturing to the bottom of the Desert tech zone (Southernmost area of the Desert or via the teleporter on the West side of the top of the Island - the elevator is in the center of the stone pillars); the bit is given upon defeating the boss and exiting the area



Core 3
Area: South Shore
Floor: 0
Location: In a crater East of the boat upon returning to the South Shore from the Other Shore