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 :

• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.
• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• Genin backpack (Blue)

  Double mission XP reward in level 11 to level 20.
• Civet Cat Tail
• S1 Helianthus

  Restores HP & CP by 5%. Increase purify chance by 5%.
• Pirate Skull Flag

  Increase 6% purify chance. Reduce damage taken by 5%.
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• Vertical Light

  Reduce 15 HP damage taken.
• S81 Wheel of Glory

  Reduce damage taken by 200. Increase Combustion chance by 15%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Scroll: Messenger

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• S46 Holy Drum

  Reduce damage taken by 4%. Increase chance to restrict enemy for 1 turn by 20%. Targets with “Restriction” will not be able to use any skills.
• Christmas Stick

  Increase 1% damage. Recover 3% HP with every Charge.
• S39 Spike Hammer

  Increase accuracy by 10% but reduce max. HP by 10%.
• Axe Hammer suit

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

  Restores HP by 3% and CP by 99 each turn.
• Black Silver Electric Guitar
• Scroll: Taiin
• Justice and Freedom

  Flag of the United States of America which symbolizes freedom and liberty. Recover 3% HP with every charge. Increases critical rate by 3%. Reduces damage taken by 50.
• Purple Dragon umbrella
• S5 Umbrella of Spiritual Pulse

  Recover CP after HP reduction. (Amount: 10% of HP reduction) Recover 5% CP every turn if current CP is less than 50%. Has 8% chance to reduce skill cooldown by 1 turn at the start of each turn. (Not effective on talent skills)
• Mech of Wing

  Reduce damage taken by 10%.
• S13 Ancient Kishu Twin Blades

  Increase accuracy by 6%
• Spartan Shield

  Restore 100 HP every turn. Reduce damage taken by 5%.
• 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.
• Flame Blade Raijinco