Obsidian Fortress

In one sentence: High-end dungeon for Obsidian armor materials → exchange set boxes at Hiroshi.
Quick version
- Open the teleporter → Obsidian Fortress and read the live level / Dragon Rank / Gear Score / HP requirements.
- You get 2 daily entries (as of the current teleporter setup).
- Clear Abyssus (Dragon of Darkness) and keep Dark Dragon Hearts and related mats.
- Exchange full sets at [Obsidian Set Exchanger] Hiroshi:
- 450 Dark Dragon Hearts
- 4000 Armor's Heartstone
- 300 Black Armor's Heartstone
→ class AoE or 1on1 set box
- Power armor: Upgrade Systems.
warning
Older websites claimed fixed “DR 150 / GS 11,500” style numbers. Always trust the live teleporter for entry. Drop % for individual pieces is not listed here.
What we know for sure
| Fact | Detail |
|---|---|
| Daily entries | 2 |
| Boss theme | Abyssus — Dragon of Darkness |
| Main mat for sets | Dark Dragon Heart |
| Set exchanger | [Obsidian Set Exchanger] Hiroshi |
| Set box cost | 450 hearts + 4000 Armor's Heartstone + 300 Black Armor's Heartstone |
Loot intent
| Want | Notes |
|---|---|
| Dark Dragon Hearts | Primary mat for Hiroshi |
| Full Obsidian sets | Prefer Hiroshi exchange over guessing random piece rates |
| Related fragments | Ernst — How to get weapons |
How it fits progression
After the main Dragon Rank ladder, Obsidian is a prestige end armor farm. Unlock requirements: teleporter.