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 :

• Scarlet Sword Wheel

  Increases damage by 5% and dodge rate by 3%.
• Tail of Kyubi

  Forged with chakra of the legendary tailed beast, Kyubi. 100% immune to Burn effect and increase 3% Combustion chance.
• Father's Heart

  Reduce damage taken by 6%.
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• S8 Scroll of Golden Snake

  Increase all attack damage by 4%. Decrease damage taken by 4%.
• S70 Magical Cobweb

  Restores CP by 3%. 30% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Swordfish
• Heian-kyo Shamisen
• Three-stringed Lute Guitar
• Blue Crystal Wings

  Recover 15% extra CP when charge.
• 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.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.
• Bell of Fortune

  6% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Clear Cross

  Increase 3% purify chance. Each turn recover 150 HP and 150 CP.
• Sakon Three Blades
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• Chakra Ancestor Flame

  Reduce damage taken by 175. Has 5% chance to convert damage taken to HP positively.
• Basic Jounin Battle Gear
• Ukon Three Blades
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• White Metal Hammer
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Ritual Taiko
• Iron Tortoise Shell

  Reduce damage taken by 200.
• Thanksgiving Candle

  Has 15% chance to absorb 2% HP of enemy who attack you. Increase 7% Combustion chance.
• Ninja Snowman

  3% chance to convert damage taken to HP positively.
• S9 Ancient Akazonke Gunbai

  Increase critical rate and accuracy by 4%. But reduce Max.HP by 2%.