From the Skill Redistribution quest introduced in the The Iron Coast event.
| Item Tinkering Gem of Forgetfulness | |
| Value: 0 10 Burden Units |
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| Use this gem to lower a specialized skill to trained, or a trained skill to untrained. This gem will return six skill credits when used to unspecialize or untrain the Item Tinkering Skill. If you are Gharu'ndim you cannot untrain the Item Tinkering Skill. | |