The Wyrm had broke free, it had wrought destruction, and now, for once monsters put aside difference to make a difference, to free them all of its blight, and in their hubris have damned another world to ruin, let's see if brockton Bay can survive this calamity

The world of Earth Bet is a world ruled by darkness and cynicism, a world whose rulers long ago gave up hope. When these servants of despair meet avatars of living Hope, they shall be forced to confront that which they have spent decades trying to forget. (Worm/Princess: The Hopeful)

Crossover Worm/Exalted. The setting of Worm is grimdark. Various CYOA tried to bring light in the setting and most won. An SI is sent by a peculiar ROB. Let the light of the Unconquered Sun shines upon Earth Bet.

In many worlds, there is a girl, whose true name is Taylor Herbert. In many, though, she's not known by that name. In some she's a hero, others a villain, many both at once. In all, she's a victim or survivor. In this one, where humanity is too often the toys of cruel Fae, she is survivor and victim, but not at once. But there exists a common trait between the two; feeling Lost.