In The Etherworld, the world will become extremely dark. Player's life recovery speed reduced, but reduce your damage by 15%.Player increase of moving speed and digging speed.
Difficulty Increases[ | ]
All NPCs turn black and be half-transparent, what's more, most Zombies, Skeletons, Mummies, and so on who will have illusion images on the other side, just like 
Brain of Cthulhu'second phase in Expert Mode.
Enhance[ | ]
| Original edition | Enhance | Extra Drops | Obtainable Pre-Hardmode Hardmode Post-Moonlord |
|---|---|---|---|
| Any NPCs | n/a | 6.25% Ether Coin |
n/a |
 Most Slimes
|
Whose AI will replaced with AI of 
|
n/a | Pre-Hardmode |
 Wall of Flesh
|
n/a | 10.0% Awakening Scroll
|
Pre-Hardmode |
 Alien Queen
|
n/a | 6.25% Star Storm
|
Hardmode |
 Milkyway Weaver
|
n/a | 6.25% Shine of Stardust
|
Hardmode |
 Selenian
|
n/a | 6.25% Solar Claymore
|
Hardmode |
 Brain Suckler
|
n/a | 6.25% Nebula Bow
|
Hardmode |
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