The 【Maple Tree】 and 【Gathering of Holy Swords】—the most fearsome and the strongest alliance rampages across the battlefield! The 10th event, the large-scale competition, has begun! Led by Maple, the 【Maple Tree】 joins forces with Pain and the 【Gathering of Holy Swords】 to participate. However, even with the most fearsome and strongest alliance, fierce battles are inevitable! Pain's holy sword, Mii's flames, Velvet's lightning, and the massive army commanded by Lily. The hidden cards of these formidable figures explode, leading to a stalemate on the battlefield. As Pain issues the command for a full-scale assault to break the deadlock, strategist Sally proposes a certain clever tactic. According to Sally, it involves using Maple as a "heavenly strategic weapon," a plan that will astonish the enemy……!?