Hades 2 – Underworld Biomes Useful Info

Underworld Biomes Information

Erebus

• 11 regular chambers, chamber 12 is endshop, chamber 13 is boss
• Each chamber has 10% chance to spawn Chaos gates and 25% to spawn Well. Cooldown for Chaos gates is 13 chambers and for wells is 4 (by default)
• Midshop can be seen starting from chamber 4 upto chamber 6
• Mini-boss can be seen starting from chamber 4 upto chamber 6
• NPC can be seen starting from chamber 4 upto 9
• Mini-bosses have the following boon rarities: Duo- 12%, Legendary- 5%, Epic- 7%, Rare-90%

Oceanus

• 8 regular chambers, chamber 9 is endshop and chamber 10 is boss
• Each chamber has 12% chance to spawn Chaos gates and 30% to spawn Well. Cooldown for Chaos gates is 13 chambers and for wells is 4 (by default)
• Midshop can be seen starting from chamber 3 upto chamber 6
• NPC can be seen starting from chamber 3 upto chamber 6
• Mini-boss can be seen starting from chamber 4 upto chamber 7
• Mini-bosses have the following boon rarities: Duo- 12%, Legendary- 5%, Epic- 10%, Rare-90%

Fields of Mourning

• 4 regular chambers, chamber 5 is endshop and chamber 6 is boss
• Each chamber has a 0% base chance of spawning Chaos gates and 35% chance to spawn Wells.
• Can get the NPC only after Chamber 3.
• Can get Miniboss starting from Chamber 2 upto Chamber 4.
• Mini-bosses have the following boon rarities: Duo- 12%, Legendary- 5%, Epic- 10%, Rare-90%

Tartarus

• Each chamber has a 0% base chance of spawning Chaos gates and 8% chance to spawn Wells.
• Mini-bosses have the following boon rarities: Duo- 20%, Legendary- 20%, Epic- 10%, Rare-90%

Note: All Chamber counts are excluding the region intro chamber and the post-boss chambers.

I hope you found this useful. Wishing you luck!