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 :

• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• Axe Hammer suit

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

  Increases damage by 5% and dodge rate by 3%.
• S38 Genrei Fan

  Increase max.CP by 50% but reduce max. HP by 20%.
• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• GM back item
• S32 Black Senbu

  Recover HP by 4% and reduces damage received by 3%.
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• Heart Aura

  Hidden feelings emerges! Recovers 2% of the user's max HP and 100 HP every turn.
• Spinning Wheel

  Recover user's max HP by 1% each turn. Increases user's max CP by 2%. Converts 10% of damage taken into CP.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Gold Wand

  Ignore 5% targets dodge.
• Evil Claw Hammer

  Reduce 7 HP damage taken.
• S77 Curse Dragon

  Increases attack damage by 9% and critical damage 10%.
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• Musashi Twin Blades
• Umiyuki Painted Wood

  Reduce 24 HP damage taken.
• Yolanda Rescue First Aid Kit
• Orange Kikyo Skis
• Taoist Spirit Stone

  Increases Max. HP by 3% and Max. CP by 5%. Increase purify chance by 1%.
• Sakura Lantern

  Increase Combustion chance by 10%.(Minimum requirement of 1 Attribute Point in Fire to activate combustion effect). Has 10% chance to absorb 2% HP of enemy who attack you.
• Training Dummy

  Increases accuracy by 5% and dodge rate by 4%.
• Genin backpack (Blue)

  Double mission XP reward in level 11 to level 20.
• Scroll: Fire and Earth
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Turkey Tail
• Jaws

  Ignore 4% targets dodge.