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 :

• S42 Tendo Tips

  Increases attack damage and reduces damage received by 5%.
• Hanagara Dama

  Increase max. CP by 6%
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• Sand Gourd
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Scroll: Sun of Campaign
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Tail Hunter Back Item

  Increase max. HP by 3%.
• Scroll: Fire and Earth
• S50 Blood Shade Magatama

  Created with blood and molten lava, the blood shade magatama consumes the life force of anyone with malicious intent. Has a 8% chance to absorb 10% of the attackers max HP and 8% chance to convert any damage taken to HP.
• Green Koi
• Dragon Crucifix Spear
• Lucky Chess

  Has 5% chance to freeze enemy who attacks user (3 turn). Frozen target cannot move but damage taken is reduced by 80%. Each turn recover 100 HP and 100 CP.
• Umiyuki Painted Wood

  Reduce 24 HP damage taken.
• Jaws

  Ignore 4% targets dodge.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.
• Fairy Fishing Rod

  Each turn recover 3% HP and 100 CP
• Frost Soul Electric Guitar
• Scroll: Grassland
• S80 Struggle Flag

  Recover HP by 2%. Recover 7% HP with every Charge.
• Toxic Mushroom

  Increases damage by 10% but the user takes 200 HP damage every turn.
• Toxic Village Poison Potion
• Scroll: Terminated Rock
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.
• S11 Wood Spirit's Shield

  Increase max. HP by 9% and 20% chance to absorb 3% HP of enemy who attack you.
• 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%.
• Tailed Beast Chakra Crystal

  Increase 3% damage.
  Reduce 3% damage taken.
  Recover 2% HP each turn start.