Paths and Breakthroughs

A Path defines the growth fantasy, the capability unlocked at each stage, and the requirement for crossing the next threshold.

Every stage needs an entry requirement, a qualitative unlock, and a breakthrough requirement. An unlock can expand scope, open Techniques, transform an existing rule, or grant a new permission; avoid passive number-only upgrades.

Breakthrough requirements should create play. A dangerous synthesis, earned recognition, mastery under pressure, or a setting-specific discovery can all work. Avoid requirements that reduce to 'reach four Growth Marks and level up'. Marks show readiness; the requirement gives the breakthrough its place in the World.

Paths may share tier names without sharing the same route upward.