From Guild Wars 2 Wiki
A shadowstone with bloodstone slivers socketed into it.
— In-game description
- Received after one of the dialogue options with either Historian Tranton or Tradesman Maezz as part of the Burden of Choice achievement. It replaces the Broken Shadowstone in your inventory.
- If you do not have the Broken Shadowstone in your inventory, you still receive the Reforged Shadowstone, while not losing the Broken Shadowstone.