Dvaatii

Dvaatii is a fictional political concept widely used in speculative fiction and worldbuilding. It designates a system of dual sovereignty in which two legally equal authorities share power and govern in tandem. The term originates in a constructed language within the narrative universe, with roots commonly described as combining the words for "two" and "authority".

In its typical implementation, Dvaatii features two coequal authorities, often realized as separate chambers or councils. Legislative power may require consensus between the bodies, with each possessing veto rights in key areas. The executive function is usually rotated or dual, drawn from members of the two houses on a fixed schedule, while the judiciary provides a constitutional check on inter-body disputes.

Usage and variants appear across multiple fictional settings, from novels and role-playing games to cinematic universes. Some depictions emphasize cultural duality and intergroup power-sharing, while others frame Dvaatii as a temporary transitional arrangement during institutional reform.

Scholars and critics debate the practicality of dual sovereignty, noting potential for deadlocks and slow policymaking but highlighting its utility as a literary device to explore governance, legitimacy, and intercommunal compromise. In worldbuilding practice, Dvaatii is often contrasted with unitary or strictly bicameral systems.