How to acquire various Elemental Sprites throughout the game.

Code - Effect

40 Below - Defeat the shadow troll in the ice cave.
Chilla - Rescue Lenya.
Flex - Defeat the shadow troll in Sulfer Cave.
Major Ruin - Defeat the Shadow Troll in Lobster Hollow.
Pummel Weed - Defeat the Shadow Troll in the Enchanted Kingdom.
Rubble - Defeat the Shadow Troll in the Forgotten Forest. Ash Rescue Halis.
Thermite - Shadow Troll at Ogre Swamp