Rubric of the Old Ones

The Rubric of the Old Ones is a puzzle one can find when their army or hero conducts a treasure hunt in a ruined settlement. It presents a series of symbols with various Old One/Lizardmen symbols on it.
Puzzle called for "Solitude is always desired"
Look for the symbol that does not repeat itself in the pattern and choose it as answer.
Category:Total War: Warhammer
Category:Settlements
Category:Ruins treasure hunts
Category:Lizardmen