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 :

• Carnival Taiko

  Play the Taiko in Ninja Saga Anniversary Carnival! Recover 5 HP and CP at the start of every turn.
• Seal Nightmare Wing

  Ignore 4% targets dodge.
• Cupids Flying Envelop

  A message to a far away lover.
  Reduces damage taken by 60.
  Increases max HP by 5%.
• S2 Scroll Capsule

  Increase attack damage by 8%. Recover 7% cp after dealing damage.
• Wine Gourd
• Christmas Stick

  Increase 1% damage. Recover 3% HP with every Charge.
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.
• Village Red Lantern
• Grave of the Undying

  Increase purify chance by 8%, but decrease agility by 15.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Ame no Kemagatama

  Increase 3% accuracy.
  Additional 30 HP damage upon all attack.
• 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)
• Taurus Wand

  A necromantic wand with a figurehead of a bull. Used by necromancers in ancient times to amplify their power. Recover 100 HP at the start of every turn. Has a 12% chance to absorb 3% HP of enemies who attack you.
• Big Cask

  Increase max.HP by 15% but reduce max. CP by 5%.
• Cerberus's Flame

  80% chance to burn enemy who attack user - Reduce 3% HP for 2 turns.
• GM back item
• Thanksgiving Balloons

  Increase max. HP by 2%.
• Four-Point Shuriken
• Great Stinger

  Reduces damage taken by 3%. Converts 9% of damage taken into CP.
• Axe Hammer suit

  Increases damage and accuracy by 6%. Recover 50 HP at the start of every turn.
• Newbie backpack (Red)

  Double mission XP reward in level 1 to level 10.
• Black Koi
• Grand Light Gourd

  Increase 3% damage
• Drum: Ako
• Clouds And Mist Raijinco
• S13 Ancient Kishu Twin Blades

  Increase accuracy by 6%
• FIFA Whistle

  Recover 100 CP at the start of every turn and reduces damage taken by 80.