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 :

• S73 Smite Evil Shield

  Has 25% chance to absorb 2% HP of enemy who attack you. 8% chance to convert damage taken to HP positively.
• Red Ukiyo-e Kite

  4% chance to convert damage taken to HP positively and increase max. HP by 2%.
• Scroll: Grassland
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• S77 Curse Dragon

  Increases attack damage by 9% and critical damage 10%.
• Blue Crystal Wings

  Recover 15% extra CP when charge.
• Ichimoku Gourd
• Clouds And Mist Raijinco
• Choco Tama

  Increase accuracy by 5% and increase healing power of scrolls by 25%.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Blue Bird Wings
• Knot of Avenger

  20% chance to absorb 2% HP of enemy who attack you. 20% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• S80 Struggle Flag

  Recover HP by 2%. Recover 7% HP with every Charge.
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• Grand Light Gourd

  Increase 3% damage
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.
• S13 Ancient Kishu Twin Blades

  Increase accuracy by 6%
• Ancient Shinobi War Decorated

  Additional 60 HP damage upon all attack.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• Christmas Pudding

  Recover 200 HP and 200 CP at the start of every turn but reduce agility by 10.
• S8 Ancient Scroll of Golden Snake

  Increase all attack damage by 4%, and Decrease damage taken by 4%. But reduce critical chance by 1%.
• Scroll: Kochin
• Sakura Dance

  Increase damage by 3% and max. HP by 4%.
• Black Double Gun

  Ignore enemys dodge rate by 3%. Increase accuracy by 3%.
• Axe Hammer suit

  Increases damage and accuracy by 6%. Recover 50 HP at the start of every turn.