Free Will or Destiny

Atropos' shears are poised above the weave of an entire city, preparing to end a hundred thousand threads. Only those who can sense the fall of the blades and reweave the Tapestry may bring the force of Free Will to bear against Fate. The awakened know that the smallest choices can change the Destiny of an entire world.

Give me a long enough lever and firm place to stand
and I can move the world

The question is, how firm is the ground under your feet?