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 :

• MegaJingleBell

  A glorious Christmas artifact which can be used in battle. Ignores 5% of enemys dodge rate. Recovers 2% of users max HP every turn.
• Ancient Shinobi War Decorated

  Additional 60 HP damage upon all attack.
• Scroll: Taiin
• Blue Pattern Skis
• Dark World Hammer
• Call of the Angel

  Reduce damage taken by 100. Has 6% chance to convert damage taken to HP positively.
• S69 Skull Cloak

  Increases Max. HP by 4%. Restores HP by 4%. Increase attack damage by 6%.
• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• S60 Amber Jewel Wings

  Increases attack damage by 10% and increase 5% Combustion chance.
• Black Double Gun

  Ignore enemys dodge rate by 3%. Increase accuracy by 3%.
• S41 Dragon Gunnery

  Increase 25% Combustion chance, Ignore enemys dodge rate by 5%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Sakura Dance

  Increase damage by 3% and max. HP by 4%.
• S29 Yanki Protective Magatama

  Increase accuracy by 8%
• Scroll: Red Curse seal
• Hanagara Hagoita

  Increase max. HP by 3%.
• Crimson Lanterns

  Increase attack damage by 6%. Has 6% chance to convert damage taken to HP positively.
• S17 Scorching Sun Lantern

  Recover 10% cp after dealing damage.
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Scroll: Grassland
• Sack of Hearts

  Cupids sack of hearts. Recovers 3% HP every turn. Has 5% chance to convert any damage to HP.
• Puppet: Spider
• Ramen Shop Lantern
• Love Ribbon

  Additional 40 HP damage upon all attack.
• Christmas Treasure Bag

  Increase agility by 1.
• Ice Cystal Raijinco
• Taoist Spirit Stone

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