From Rick Riordan‘s blog:
Our second character art reveal for The Mark of Athena is Nemesis, goddess of revenge. What’s her role in the book? No spoilers, but here’s a little information:NemesisAlso known as the goddess of revenge. This is one lady you do NOT want to run into in a dark alley (or anywhere else, for that matter).
What does SHE do? This woman can shape-shift into any imposing figure you can imagine, if you’re her target. Which you don’t want to be. Ever.
Noteworthy: Imposing as she is, Nemesis can be bargained with, as demigod Leo will learn…but at what cost?For more information, activities and fun stuff, be sure to check Disney-Hyperion’s Heroes of Olympus website!