FFG Twilight Imperium Twilight Imperium - Twilight Codex Vol. 3, Vigil VG+
3, Vigil (VG+). Twilight Imperium - Twilight Codex Vol. 3, Vigil VG+. The Codex is a publication that highlights rules updates and showcases new content for Twilight Imperium: Fourth Edition and its Prophecy of Kings expansion.