imperial war banner +4 strength (also -4 capacity per mechanics notes) Symphony of War overviewcharactersClassesArtifactsTraitssquadswalkthroughTier ListMechanicsSquad TemplatesArtifact TableEconomy & SurrenderDifficulty TipsGlossary Artifact Imperial War Banner Epic Hiệu ứng+4 Strength (also -4 capacity per mechanics notes)