A “Talisman” is defined as an object, typically an inscribed ring or stone, that is thought to have magic powers and to bring good luck.
Tell that to the adventurers.
They have awoken on what was obviously a former battlefield, the bodies of many dead mercenaries strewn about them, tangled with the corpses of gnolls, orcs and other fell creatures. And in their midst is a well-known mercenary company banner, its crimson flag waving loosely in the air.
Branded on each of their left shoulders is a mark. A mark left by a talisman that should mean something, but the memory of what has transpired over the last few days is missing. Gone, like a vapour.
And the mark is like nothing anyone has ever seen before. What in Baator happened?