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 :

• Bronze Torch of Zeus

  Increase mission XP reward by 200
• Snowflake

  3% chance to freeze enemy who attack user (1 turn). (Frozen target cannot move but damage taken is reduced by 80%.)
• 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.
• Sakura Lucky Cat

  Ignore enemys dodge rate by 4% and increase 3% dodge rate.
• Mini Scroll
• Deadwood Pipa
• 4th Anniversary Back Item

  Ninja Saga 4th Anniversary edition! Recover 50 HP and 150 CP at the start of every turn.
• Green Koi
• Python Scales Raijinco
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• Aboriginal Hunting Set

  Increase accuracy by 5% and Combustion chance 6%.
• Scroll: Messenger (3 Days)

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

  A magical taiko used in celebrations during the Aries zodiac months. Recovers 50 HP every turn and reduces damage taken by 25.
• Champion Cup!

  Ultimate prize for Champions.
• Carnival Fan

  Dance with the Fan during Ninja Saga Anniversary Carnival! Increase all attack damage by 3%.
• Yolanda Rescue First Aid Kit
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Trident
• Ghost Spider

  Reduce 72 HP damage taken.
• Axe Hammer suit

  Increases damage and accuracy by 6%. Recover 50 HP at the start of every turn.
• Iron Tortoise Shell

  Reduce damage taken by 200.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Puppet: Spider
• Falcon
• Mother's Hug

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