At the Bridge Belly Dumps, get a key. Go into the Sour Sink Lodge. Use the key to open the door.
If you use the key at Bridge Belly Dumps before getting this Soul Gem, you have to restart the level to get the Soul Gem.
Use a Giant to destroy a wall at Stink Breeze Point.
In Shadow Grove, it is at the end of the first Life gate.
+10 Elemental Power
In Quigley's Grotto, push stone blocks to fill the gap between you and the Story Scroll.
Cavern of Echoing Nibbles
At Toebiter's Ascent, push a stone block off the ledge. Drop onto the stone block to enter the cave. Fight all of the enemies, then claim your treasure chest.
Weed Whisper Home
Open the Elemental Gate. Fight your way through the Chompy-infested home, then solve the lock puzzle to reach the treasure chest.
Loglifter's Secret Place
At the Bridge Belly Dumps, complete the Feat of Strength using a Giant to clear the logs.
At Toebiter's Keep, near Auric's shop, use a Giant to jump off the ledge and break through the ground.
At Shadow Grove, navigate through the islands using secret paths. Before dropping off the ledge near the end, solve the lock puzzle at the left to access the Winged Sapphire.
Lucky Wheel of Power
At the Moldy Retreat, fight all of the enemies and open the Monster Gate.
Elemental Elixir Charm - 400
Elf Hat - 250
Fancy Hat - 250
Birthday Hat - 250
Regeneration Power Up - 100
Lock Puzzle Key - 500
Fairy Dust - 50
Strangely, if you go into the Weed Whisper Home Life gate and ignore the enemies in Noggin-Knock village, the Life elemental gate music will play even though you are not in a life gate. This stops eventually.