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 :

• Jingle Bell

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

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• Sealed Wood

  A back item which lost the original effectiveness.
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Mech of Wing

  Reduce damage taken by 10%.
• S61 God Dragon Flag

  Increase critical rate by 6%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• S18 Evil Spirit Shield

  Reduce 14% damage taken.
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Yatai Lantern
• S26 Bashosen

  Increase 10% Combustion chance.
• Basic Jounin Battle Gear
• Scroll: Red Curse seal
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• S44 Earth Caller

  Increases attack damage by 4% and max HP by 5%.
• Mini Evil Wing

  Exclusive Halloween item - the devils wings that frighten enemy, and hence reduce their damage done on you by 5%.
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• Wood Top
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%. But reduce critical chance by 1%.
• Little Shikigami

  Increases accuracy by 5%. Adds 80 damage in all of your attacks.
• S69 Skull Cloak

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

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• Harvest Treasure Bag

  Reduce damage taken by 140. Recover 5% extra CP when charge.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• S24 Junsei Ring

  Increase max. HP by 5%.
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.