The Mortum Depths is the last Twilight Dimension. It is entered through a portal made out of Mythril Blocks and lit with a Twilight Clock. The mobs inside are extremely powerful; it is necessary to enter equipped with high-tier armor and weapons, preferably with enchantments.
|Demon of Darkness||Hostile|
|Dex and Zichile||Removed in v1.4|
|Densos and Reyvor|
This dimension was once named the Augite Depths, before being renamed to the Mortum.