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This wiki contains spoilers for all stories of Critical Role. This includes the story for unaired episodes of The Legend of Vox Machina, as it's based on the first campaign of Critical Role from 2015-2017.


Critical Role Wiki
Critical Role Wiki

Thelashas was a young blue dragon who was bound by Halas Lutagran to protect his manor. As an NPC, Thelashas was played by Matthew Mercer.


Thelashas was a young blue dragon with a rigid horn and pale blue eyes, looking powerful, but surprisingly slender.



Thelashas was at one point encountered by Halas and made a deal with him. Thelashas agreed to help guard the Folding Halls in exchange for food and gifts.

"The Stowaway" (2x45)

Fan art of The Traveler helping Jester block the dragon attack, by Amy King.[art 2]

Thelashas was guarding his hoard of treasure when Fjord fell directly into his nest. Thelashas threatened to eat Fjord, who stalled until the rest of the Mighty Nein arrived. Just as he was about to attack Fjord, Beau and Jester fell into the room and initiated combat. Thelashas was ultimately killed during the ensuing fight by Twiggy.



Thelashas agreed to guard a section of Halas' manor in exchange for treasure. He confessed to Fjord that one day, when he gets larger, he would overpower Halas and take the entire manor for himself.

Character Information

Notable Items


  • Multiattack: The dragon makes three attacks: one with its bite and two with its claws.[1]
  • Lightning Breath: The dragon exhales an lightning blast.[1]

Appearances and mentions


  • "The smell of unfamiliar sneak-thieves finds us. The way is shut to you."[2]



  1. 1.0 1.1 See D&D: Monster Manual, 5th ed., p. 93.
  2. See "The Stowaway" (2x45) at 3:06:47.


  1. Fan art of Jester fighting Thelashas, by APixelTaurus (source). Used with permission.
  2. Fan art of The Traveler helping Jester block the dragon attack, by Amy King (source). Used with permission.