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 :

• Sealing the soul barrel
• S57 Magatama Gunbai

  Increases dodge rate by 5% and restores 4% of users max HP every turn.
• S49 Serpent Dragon Chakram

  An exceptional weapon crafted with serpent and dragon remains. Increases agility by 1 and accuracy by 7%.
• Christmas Chimney

  4% chance to freeze enemy who attacks user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Shadow Twin Blades
• Black Silver Electric Guitar
• Mischievous Candy

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• 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.
• Training Dummy

  Increases accuracy by 5% and dodge rate by 4%.
• 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)
• Chakra Ancestor Flame

  Reduce damage taken by 175. Has 5% chance to convert damage taken to HP positively.
• Christmas Trumpet

  Ignore enemys dodge rate by 4% and recover 3% CP with every charge.
• Celestial Wood Raijinco
• Merlins Magical book

  Increases attack damage 5%
• Clouds And Mist Raijinco
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.
• Drum: Ako
• S29 Yanki Protective Magatama

  Increase accuracy by 8%
• White Metal Hammer
• Black Koi
• Blue Cloud Umbrella

  Ignore 6% targets dodge.
• Orange Koi
• Gemini Halo Glyph

  Increases damage by 4%. Reduce damage taken by 65.
• Genin backpack (Blue)

  Double mission XP reward in level 11 to level 20.
• Gold Wand

  Ignore 5% targets dodge.
• Shigu Twin Blades