Search For Grog/Bob Heat Activated Coffee Mug

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Inspired by Critical Role’s Search For Bob one-shot, this mug will transform before your eyes with a little bit of heat! Adding hot liquid into the mug will transform Grog’s missing poster into a missing poster for the legendary thief, Bob—all thanks to a little doodling and some heat-activated mug magic.


  • Original Grog art by Hugo Cárdenas (@Takayuuki_art)
  • Ceramic
  • Hold up to 12 ounces
  • Hand wash only (not dishwasher safe)
  • Do not use microwave to heat drink

This is an official Critical Role product.

Grog is a member of Vox Machina played by Travis Willingham in the first Critical Role campaign.
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