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 :

• War Flag: Syoshin

  Increase mission XP reward by 100.
• S26 Bashosen

  Increase 10% Combustion chance.
• Scroll: Grassland
• Spinning Wheel

  Recover user's max HP by 1% each turn. Increases user's max CP by 2%. Converts 10% of damage taken into CP.
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Folding Paper Fan
• Scroll: Genbu
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.
• S65 Transcendent Flame Wings

  Remnants of a powerful fire spirit. Increases attack damage by 7% and increase 20% Combustion chance. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Super Rabbit Doll

  Increase damage by 9%.
• S80 Struggle Flag

  Recover HP by 2%. Recover 7% HP with every Charge.
• S62 Black Steel Swords

  Restores 5% of users max HP.
• New Year Kadomatsu

  Recover 100 HP and 100 CP at the start of every turn.
• S17 Scorching Sun Lantern

  Recover 10% cp after dealing damage.
• S38 Genrei Fan

  Increase max.CP by 50% but reduce max. HP by 20%.
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.
• Great Stinger

  Reduces damage taken by 3%. Converts 9% of damage taken into CP.
• Toxic Mushroom

  Increases damage by 10% but the user takes 200 HP damage every turn.
• Chakra Kanawa

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Ronin Idol

  Reduce damage taken by 100 and restores 4% of users max HP.
• Sakura wah

  Restores HP by 3% and CP by 99 each turn.
• S68 Supreme Faerie Wings

  Recover 20% extra CP when charge. Has 10% chance to convert damage taken to HP positively.
• Fairy Fishing Rod

  Each turn recover 3% HP and 100 CP
• Firefox Tail
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• Angel Heart (Black)

  Reduce target 8% CP on every weapon attack.