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.
• Rose Bouquet

  Recover CP by extra 5% per charge
• S34 Wooden Name Tag

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S8 Ancient Scroll of Golden Snake

  Increase all attack damage by 4%, and Decrease damage taken by 4%. But reduce critical chance by 1%.
• Colorful Moai Egg

  Reduce damage taken by 100 and recover 10% extra CP when charge.
• S56 Curse Brush

  A legendary Ink Brush that has the ability to materialize drawings. Increase critical rate by 5% and accuracy by 6%.
• Axe Hammer suit

  Increases damage and accuracy by 6%. Recover 50 HP at the start of every turn.
• S37 Ring of Chakra Flame

  Increase attack damage by 7%.
• Choco Tama

  Increase accuracy by 5% and increase healing power of scrolls by 25%.
• Puppet: Spider
• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• Extra Large Presents Bag

  A large present bag, but nobody knows what it contains.
• Water Symbol Guitar
• Mirror of Thousand Hands
• Swire Raijinco
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• Force of Taotie

  Reduce damage taken by 7%.
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Blue Pattern Skis
• Sakura Gold Jewellery

  Increases users agility by 1. Restores 3% of users max HP. Has 6% chance to convert damage taken to HP positively.
• Sakon Three Blades
• Great Wooden Hammer (7 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Lovely Santa Bag

  A bag that resembles Santa Claus, it emanates faint revitalizing aura. Restores 140 HP and 30 CP at the start of every turn.
• Sagittarius Hunting Set

  Increases dodge rate by 4%. Additional 80 HP damage on all attacks.
• Green Koi