The Herald is a sinister alien entity who shares the same wish as the other members of The Last Reality: to annihilate all realities until only Nothing remains. She has no value for the life of others or for her own not caring to sacrifice herself if it's to accomplish her mission. Just like The Cube Queen, she takes pleasure in destroying and doesn't take her opponents seriously, not even bothering to fight or protect herself even when attacked by around thirty opponents as she demonstrated during Fracture where she preferred to walk quietly towards the Reality Tree ignoring the incoming attacks. However, unlike The Cube Queen, she almost always displays a completely neutral expression, changing expression only in very rare cases