Sun Tzu's Dao Sword

Origin
Sun Tzu was a general and strategist whose most famous work is the military tactics treaty, The Art of War. Its chapters detail the reconnaissance and assessment of the enemy and maneuvers that commanders should use. Western society has viewed it as a guide for military, political and economic ventures.

Effects
Used by the general and inspired him to write The Art of War, this artifact can give the user an increased knowledge on military tactics. They also gain a thirst for war and killing, along with the power of extreme persuasion.