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 :

• Axe Hammer suit

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

  Additional 60 HP damage upon all attack.
• Colorful Snowflake

  Increase agility by 1. Has 15% chance to freeze enemy who attacks user (2 turns). Frozen target cannot move but damage taken is reduced by 80%.
• Cornucopia

  Increase healing power of scrolls by 100%. Has 6% chance to convert damage taken to HP positively.
• Cursed Devil

  Increase attack damage by 15%. But reduce max. HP and max. CP by 10%
• Samurai Painted Wood

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• Leopard Cat Tail
• Scroll: Messenger (7 Days)

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• S45 Oblivion Ward

  Increases Max. HP by 3% and Max. CP by 6%.
• Ame no Kemagatama

  Increase 3% accuracy.
  Additional 30 HP damage upon all attack.
• Soul of Egg Hunting Beast

  2012 Egg Hunting Event
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Thorn hammer
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Blue Pattern Skis
• S44 Earth Caller

  Increases attack damage by 4% and max HP by 5%.
• Mini Octopus
• S11 Wood Spirit's Bow

  Increase critical chance 13%.
• 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%
• 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.
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• S15 Ancient Seitenken

  Recover CP after HP reduction. (Amount: 16% of HP reduction)
• S26 Bashosen

  Increase 10% Combustion chance.
• Mini Goldfish
• Big Cheese

  Recover CP after HP reduction. (Amount: 10% of HP reduction)