Gunbreak Underground Cavern is a dungeon in Hyperdimension Neptunia Re;Birth1 that can be unlocked with the Remake System and found in Gravidaze Ruins.


Note: Due to the nature of Treasure Search, the list of Treasure Items may be incomplete. You can help by adding anything that may be missing in the list.
Treasure Hidden Treasure Gathering Points
(Item Change OFF)
Gathering Points
(Item Change ON)
Black Pigment
Healing Drink
Yuriyuri (Idea Chip) Herb (Material) Learn by Dying (Idea Chip)
Angel Wings [x2]
Frost B (Processor)
Purple Pigment (Material) Venomous Thread (Material) Can't Grind (Idea Chip)
Eject Button [x3]
Death is The End (Idea Chip)
P. SP Charger 2 (Item) Healing Grass (Material) Night Moon Grass (Material)
Plan: Item Drop Rate Up
Energy Lump
Wind B (Processor) Blue Petal (Material) Herb (Material)
STR Booster Z
Jargon (idea chip)
Frost C (Processor) Night Moon Grass (Material) Healing Grass (Material)
- - Cell Antenna (Material) White Pigment (Material)
- - - All Attacks (Idea Chip)
- - - Puzzle/Logic (Idea Chip)
- - - Business Sim (Idea Chip)
- - - 3D (Idea Chip)
- - - War (Idea Chip)
- - - Seamless (Idea Chip)


Common type

Name Drop 1 Drop 2 Drop 3
Nanovader Cell Antenna ---- ----
Numb Dogoo Numb Jelly ---- ----
Tarantula Venomous Thread ---- ----
Expressive Tree Negative Root Frost H (processor) ----
Ice Fenrir Ice Wolf Claw ---- ----
Grendel * Large Medal E (key item) Wind H (processor) ----
Belgarion * Visual Memory 16X Large Medal I (key item) ----
  • Enemies marked with a * require the "Add Enemies: Gunbreak Underground Cavern" plan active.


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