Enchanted Stone is a rare quest material in Bizarre Lineage. It cannot be crafted, purchased, or obtained from chests. The item only appears as a drop from a specific enemy type in the world, and collecting it is required to progress through part of the Garden of Secrets questline.
Quick answer: Enchanted Stone drops as a rare reward from defeating Rogue Rock Human enemies located near the Bruford NPC.

Enchanted Stone drop source in Bizarre Lineage
The only confirmed source for Enchanted Stone is the enemy known as Rogue Rock Human. These enemies spawn in the area surrounding the NPC Bruford. Farming them repeatedly is the required method for obtaining the item.
| Requirement | Details |
|---|---|
| Enemy | Rogue Rock Human |
| Enemy level | 50 |
| Location | Area near the Bruford NPC |
| Drop type | Rare enemy drop |
| Item obtained | Enchanted Stone |
Rogue Rock Humans are significantly stronger than most nearby mobs. Their health and damage output make them difficult for low‑level characters, so approaching the area before reaching a suitable level usually results in slow or unsuccessful farming.

How the Enchanted Stone drop works
Defeating a Rogue Rock Human gives a chance for the Enchanted Stone to appear as loot. The drop is not guaranteed. Multiple kills are often required before the item appears in your inventory.
The item is described as a strange stone with unusual behavior — appearing ordinary but behaving oddly, floating when unobserved and sinking when watched. Despite the description, its in‑game role is straightforward: it acts as a key progression material for a specific quest step.
Where Enchanted Stone is used
The Enchanted Stone is required for Garden of Secrets Quest 6. This quest belongs to the larger Garden of Secrets storyline and cannot be completed without the item.
Once the stone is obtained, the next progression step is to interact with Gardner Gwen, the NPC tied to that questline. Delivering the item allows the quest chain to continue.
Verification: When the stone is in your inventory, the quest objective tied to Garden of Secrets Quest 6 can advance after speaking with Gardner Gwen.

Why the quest does not progress
Garden of Secrets Quest 6 will not advance if any of the following conditions apply:
- The Enchanted Stone has not dropped yet from a Rogue Rock Human.
- The stone was discarded or removed from the inventory before interacting with Gardner Gwen.
- The questline has not reached the stage that requires the item.
Because the Enchanted Stone functions as a quest item rather than a general crafting material, it should be kept in your inventory until the Garden of Secrets objective that consumes it is completed.