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 :

• Swordfish
• Father's Heart

  Reduce damage taken by 6%.
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Christmas Stick

  Increase 1% damage. Recover 3% HP with every Charge.
• Gold Wand

  Ignore 5% targets dodge.
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• Flag of the Burning Legion

  Reduce 3% damage taken and 12% chance to absorb 2% HP of enemy who attack you.
• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• Cheerful Snowman

  Increase Max. CP by 20%. Recover 2% HP at the start of every turn. but reduce max. HP by 12%.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• First-Aid Kit

  100% of the purchase price will be donated to Japan earthquake relief.
• Turkey Tail
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• Great Wooden Hammer

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• S78 Wandering Soul

  Recover CP after HP reduction. (Amount: 15% of HP reduction) Recover 15% extra CP when charge.
• Bell of Beast

  Recover HP by 3%. 15% chance to absorb 3% HP of enemy who attack you.
• Rose Cloak

  Restores 80 CP at the start of every turn. Converts 8% of damage taken into CP.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S33 Book of Fate

  Increase Max. HP & CP by 4%
• Scroll: Flying Phoenix
• S83 Four Wings

  Increase dodge rate by 8%.
• Venom Ghost

  Has 5% chance to convert damage taken to HP positively. Recover HP by 100 every turn.
• Chromaflake

  Increases damage by 5% and dodge rate by 3%.
• S27 Golden Gourd

  Recover 5% HP with every Charge.