I've only seen one public announcement from Dom Representa, on Gentebra. His title and description are:
Dommsday NemesisAwarded for great help in the battle against Gaz'haragoth
Dommsday Nemesis
Awarded for great help in the battle against Gaz'haragoth
Source: Aurea Atti's Instagram post
They did announced the new titles in the official update post: source tibia.com
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