Home / Tactics / Master Strategist Master Strategist: Tactic Effect and Officers Master Strategist Command 4★ Increases Sword and Defense of all allies by 2.5% (affected by Defense). Officers with Master Strategist Cao Cao ★★★★ Lineups using Master Strategist Cao Cao - Guan Yu - Lu Bu 4★ lineup Cao Cao - Zhang Liao - Guan Yu 4★ lineup Cao Cao - Zhang Liao - Lu Bu 4★ lineup