Like the other Demonic Fountains, Aethereal Haste features 4 Tier Upgrades with the base Tier being free and every subsequent Tier having an increased cost: 2500 Essences for Tier 2, 5000 for Tier 3, and 7500 for Tier 4. When downed, the player will keep the Perk but will lose one Tier.
- Der Anfang - Inside the Theater.
- Terra Maledicta - At the Derailment area.
- Shi No Numa - Randomizes between Comm Room, Storage Hut, Doctor's Quarters, and Fishing Hut.