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 :

• Writing Brush
• S14 Profound Tentacles

  35% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Wind Storm Raijinco
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Cancer Assegai

  Increases critical rate by 4%. Reduce damage taken by 3%.
• S24 Junsei Ring

  Increase max. HP by 5%.
• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• Dark Cry Raijinco
• Cerberus's Flame

  80% chance to burn enemy who attack user - Reduce 3% HP for 2 turns.
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.
• Brilliant Stock Pot

  Increase max. HP by 8% and purify chance by 2% but reduce max. CP by 8%.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• S21 Rokulin Gunbai

  Ignore enemys dodge rate by 8%.
• Ronin Straw Hat

  Additional 100 HP damage upon all attack.
• Blue Wolf Tail
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• S3 Energetical Can

  Increase attack damage by 10% and Combustion chance by 18%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Taoist Spirit Stone

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

  Ignore enemys dodge rate by 4% and increase 3% dodge rate.
• 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.
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• Sakura Lucky Bag

  Increase 3% damage, 4% chance to freeze attackers for 1 turn . Frozen target cannot move but damage taken is reduced by 80%
• Ferret Tail
• Ishiyama Lantern

  Reduce damage taken by 49.
• Patriot Aegis

  A mythical shield that can block even the most vicious attacks. Increases max HP by 3%. Has a 60% chance to recover 5% of maximum HP and reduces damage taken by 75.
• Sakura Dance

  Increase damage by 3% and max. HP by 4%.