The first two abilities
Manifestation I and Manifestation II remain complete, usable powers. Neither exists merely as an ingredient for the other.
Two manifestations. One greater truth.
An Adventurer’s first two Legacy abilities remain usable manifestations of their Stones. At Level 30+, sufficiently developed characters may become eligible to pursue a Confluence Ritual whose successful result is a Convergence.
Manifestation I and Manifestation II remain complete, usable powers. Neither exists merely as an ingredient for the other.
Confluence is the world-facing process or ritual through which a qualified character attempts to unite the two manifestations.
Convergence is the resulting third Legacy ability, inheriting the identity of both exact parent manifestations while exceeding ordinary manifestation scale.
Both same-Family and different-Family manifestation pairs may potentially Converge.
Materials, places, knowledge, quests, professions, and other requirements may matter. The public Codex intentionally does not publish a recipe checklist.