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 :

• S45 Oblivion Ward

  Increases Max. HP by 3% and Max. CP by 6%.
• S10 Frostguard's Shield

  Shield of the valiant warrior Tundra. Increase agility by 2. Has 17% Chance to stun target when attack with weapon for 1 turn.
• Blue Crystal Wings

  Recover 15% extra CP when charge.
• Dark Secret Seal

  Increases critical chance by 4%. Has 12% chance to Restrict anyone who attacks the user.
• 4th Anniversary Back Item

  Ninja Saga 4th Anniversary edition! Recover 50 HP and 150 CP at the start of every turn.
• Assault Kite

  Recover 100 HP and 80 CP at the start of every turn.
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Falcon
• Dark Blade

  Increase 2% critical rate and ignore 2% of targets dodge.
• Minotaurs Horn

  Recover 350 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Scroll: Messenger (3 Days)

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Venom Ghost

  Has 5% chance to convert damage taken to HP positively. Recover HP by 100 every turn.
• Sakura wah

  Restores HP by 3% and CP by 99 each turn.
• Karasu Miya Falcon

  Increase dodge rate by 6%.
• Ninja Bag

  Increase healing power of scrolls by 20%.
• S53 Frostfire Soul

  Increases combustion chance by 15%. Has a 10% chance to freeze enemies who attacks the user for 1 turn. Frozen targets cannot act but takes 80% reduced damage.
• S39 Spike Hammer

  Increase accuracy by 10% but reduce max. HP by 10%.
• Hanagara Hagoita

  Increase max. HP by 3%.
• Flour Stick
• S7 Gorgeous Butterfly

  Increase agility by 2. Recover 20% extra CP when charge.
• Christmas Stick

  Increase 1% damage. Recover 3% HP with every Charge.
• Shield of Holy Beast

  Reduce 5% damage taken. 6% chance to convert damage taken to HP positively.
• Firefox Tail
• S8 Sign of Corruption

  Wings with an ominous aura. Increases agility by 3.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• 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.
• Gunbai: World Peace