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 :

• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• Sweet Treat

  Increase critical chance by 2% and dodge rate by 3%.
• Sakura Gold Jewellery

  Increases users agility by 1. Restores 3% of users max HP. Has 6% chance to convert damage taken to HP positively.
• Mini Goldfish
• Mercy Of Libra

  Recover 2% HP at the start of every turn. And recover 3% HP with every Charge.
• Sand Gourd
• S76 Buckler and Sword

  Increase max.HP by 12% but reduce max. CP by 2%.
• S9 Warring Empire Bulwark

  A strong and sturdy shield. Reduces damage taken by 35% but reduces the user's agility by 15.
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Neptunes Healing

  Amazing power from Neptune. 3% chance to convert damage taken to HP positively and recover 3% HP at the start of every turn.
• Gemini Halo Glyph

  Increases damage by 4%. Reduce damage taken by 65.
• Great Stinger

  Reduces damage taken by 3%. Converts 9% of damage taken into CP.
• Sakura Rain Battle Umbrella
• Universal Backpack

  Increase healing power of scrolls by 100%. Each turn recover 140 HP.
• S37 Ring of Chakra Flame

  Increase attack damage by 7%.
• Wooden Repeating Crossbow
• Death Wooden Coffin
• First-Aid Kit

  100% of the purchase price will be donated to Japan earthquake relief.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• Yolanda Rescue First Aid Kit
• Evil Way Lute

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• Scroll: Rikugo
• Christmas Chimney

  4% chance to freeze enemy who attacks user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• S28 Orochi Statue

  Increase attack damage by 4%, and recover HP by 1%.
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.