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 :

• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Skull Twins

  7% chance to convert damage taken to HP positively and 20% chance to absorb 1% HP of enemy who attack you.
• Scroll: Red Curse seal
• S13 Slaughter Double Sickle

  Recover HP by 1%. 20% chances of using Jutsu without CP.
• Ronin Straw Hat

  Additional 100 HP damage upon all attack.
• Scroll: Posion Attack
• Huginn & Muninn

  Reduce 4% damage taken. Has 10% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Mimosa
• Clear Cross

  Increase 3% purify chance. Each turn recover 150 HP and 150 CP.
• 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.
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• Orange Koi
• Shoe of Bounty

  Increase dodge rate and critical rate by 4%.
• Cupid Wing

  Increase critical chance 4% and critical damage 10%.
• Egg Hunter Basket

  Increase 6% accuracy. (Easter 2011 Limited Edition)
• S21 Rokulin Gunbai

  Ignore enemys dodge rate by 8%.
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• S5 The Guider

  Increase purify chance by 7%. Recover 8% HP when purify. Recovers 4% of the user's max HP.
• S16 Umbra Fire Wheel

  Additional 170 HP damage upon all attack.
• Love Missile

  Additional 60 HP damage upon all attack.
• Jingle Bell

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.
• Flame Soul Electric Guitar
• Butterfly Wings
• S68 Supreme Faerie Wings

  Recover 20% extra CP when charge. Has 10% chance to convert damage taken to HP positively.
• Bronze Torch of Zeus

  Increase mission XP reward by 200
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.