You might as well compare with these Back Items so you can decide which Back Items you're gonna use for ninja Saga Pvp or in Hunting House for easier killing the boss or your opponent in ninja saga PvP
These Back Items might have better effect . Here we go :

• S27 Golden Gourd

  Recover 5% HP with every Charge.
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• S14 Yabusa Knife

  Increases 4% attack damage and ignore 4% of targets dodge.
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• Scroll: Red Curse seal
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Mini Scroll
• Scroll: Kochin
• Blue Crystal Wings

  Recover 15% extra CP when charge.
• Snowflake

  3% chance to freeze enemy who attack user (1 turn). (Frozen target cannot move but damage taken is reduced by 80%.)
• FIFA Whistle

  Recover 100 CP at the start of every turn and reduces damage taken by 80.
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• Love Ribbon

  Additional 40 HP damage upon all attack.
• Jingle Bell

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.
• Carnival Fan

  Dance with the Fan during Ninja Saga Anniversary Carnival! Increase all attack damage by 3%.
• Big Cheese

  Recover CP after HP reduction. (Amount: 10% of HP reduction)
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Togatsuki Paper Fan

  Increase max. CP by 10%.
• Aboriginal Hunting Set

  Increase accuracy by 5% and Combustion chance 6%.
• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• Ancient Shinobi War Decorated

  Additional 60 HP damage upon all attack.
• Gunbai: Gyoji
• Ghost Spider

  Reduce 72 HP damage taken.
• S28 Orochi Statue

  Increase attack damage by 4%, and recover HP by 1%.
• Toxic Mushroom

  Increases damage by 10% but the user takes 200 HP damage every turn.
• Fathers Treasure

  2014 Fathers Day special back item. Doubles the TP reward from TP missions.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.