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 :

• Three-stringed Lute Guitar
• Ultimate Taiko

  Recover 120 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.
• S55 Mirror of Fantasy

  Increases damage by 6% and accuracy by 5%. Has a 7% chance to convert any damage taken to HP.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Mirror of Shamisen
• Victorious Crown

  Increases accuracy by 4% and recover HP by 3%. Has 13% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Sanmoku Gourd

  Reduce damage taken by 65.
• Scroll: Double Head
• Orange Koi
• Wooden Repeating Crossbow
• Shigu Twin Blades
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• Mother's Hug (II)

  Recover 150 HP and 3% HP at the start of every turn.
• Toxic Village Poison Potion
• S44 Earth Caller

  Increases attack damage by 4% and max HP by 5%.
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Gruidae Wing

  Each turn recover 80 CP. Recover CP after HP reduction. (Amount: 8% of HP reduction)
• GM back item
• Black Koi
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• S17 Scorching Sun Lantern

  Recover 10% cp after dealing damage.
• Decorate Battle Umbrella
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• Blue Cloud Umbrella

  Ignore 6% targets dodge.
• 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)
• S18 Evil Spirit Wings

  Increase 10% critical rate.