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 :

• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.
• Swordfish
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.
• Ritual Taiko
• Force of Taowu

  Increases Max. HP by 4% and Max. CP by 4%.
• Blue Cloud Umbrella

  Ignore 6% targets dodge.
• Flour Stick
• Celestial Wood Raijinco
• S69 Skull Cloak

  Increases Max. HP by 4%. Restores HP by 4%. Increase attack damage by 6%.
• Chromaflake

  Increases damage by 5% and dodge rate by 3%.
• Samurai Painted Wood

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• S70 Magical Cobweb

  Restores CP by 3%. 30% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Fire Symbol Guitar
• Hanami Taiko

  2011 Hanami Festival - Rhythm! Recover HP & CP by 10 every turn.
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• Scroll and Blade

  Has 11% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills. Increase critical rate by 5%. 8% chances of using Jutsu without CP.
• White Metal Hammer
• S62 Black Steel Swords

  Restores 5% of users max HP.
• Nightmare Grudge

  Ignore 4% targets dodge.
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• War Flag: World Peace
• Tail of Hachibi

  Forged with chakra of the legendary tailed beast, Hachibi. Increase critical chance by 15% but reduce max. HP by 20%.
• Taurus Wand

  A necromantic wand with a figurehead of a bull. Used by necromancers in ancient times to amplify their power. Recover 100 HP at the start of every turn. Has a 12% chance to absorb 3% HP of enemies who attack you.