Elements

The mod features seven different elemental sets of items, each one having their place in the point of progression. All element sets, excluding the elemental set, include a boss and an elemental that pertains to that set.

Desert
Desert Essence starts dropping from any enemy in the desert after you beat the Eye of Cthulhu.

Fire
Fire Essence starts dropping from any enemy in the underworld after Skeletron has been defeated.

Sky
Sky Essence starts dropping from any enemy in space after you beat all of the three Mechanical Bosses.

Frost
Frost Essence starts dropping from any enemy in the snow biome after Plantera is defeated.

Water
Water Essence starts dropping from any enemy in the ocean after Duke Fishron is defeated.

Void
Void Essence is dropped from Void Elementals, Void Leviathan and all enemies in the Dawn of the Void event.