These are challenges for Double Duel, a local multiplayer mode (unlikely you’ll ever play it).

• Virion’s Archest
• Lon’qu’s Blades
• Stahl’s Horsemen
• Vaike’s Victory
• Ricken’s Chosen
• Henry’s Spellslingers
• Gaius’s Sneak Attack
• Tharja’s Curse
• Gregor’s Swell Swords
• Say’ri’s Ascension
• Tiki’s Wyverns
• Army of Shadow