v0.24 requires a fresh start . The dev explicitly states that saves from v0.23 or earlier will cause the Siege event to break. This is a bummer for veterans, but necessary for the new mechanics.
“You’re changing,” whispered Vesper, his only friend—a rogue who still carried a child’s hope. “Your eyes. They’re like holes in the world.” Way of Corruption -v0.24- By Shadow Blade
Node twelve: Soul Anchor . The text said: Bind a willing spirit to your own. Double your essence. Lose half your heart. He chose Vesper. ” whispered Vesper
Version 0.24 Complete. Congratulations, Shadow Blade. You are now the vessel. Way of Corruption -v0.24- By Shadow Blade
Vesper begged him to stop. “The Tome is tricking you. You’re not gaining power. You’re feeding it.”