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 :

• White Guitar
• Grand Light Gourd

  Increase 3% damage
• Heart Aura

  Hidden feelings emerges! Recovers 2% of the user's max HP and 100 HP every turn.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Ink Cloud

  Additional 40 HP damage upon all attack.
• Love Ribbon

  Additional 40 HP damage upon all attack.
• Holiday Doll

  Expecting Santa in every year! Critical and dodge rate increase 3%.
• S76 Buckler and Sword

  Increase max.HP by 12% but reduce max. CP by 2%.
• Aries Taiko

  A magical taiko used in celebrations during the Aries zodiac months. Recovers 50 HP every turn and reduces damage taken by 25.
• Dragon Crucifix Spear
• Mercy Of Libra

  Recover 2% HP at the start of every turn. And recover 3% HP with every Charge.
• Taoist Spirit Stone

  Increases Max. HP by 3% and Max. CP by 5%. Increase purify chance by 1%.
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• Horror Scarecrow

  Increase attack damage by 5%. Reduce damage taken by 150.
• Triple Taiko

  Increases Max. HP by 4% and healing power of scrolls by 100%.
• Musashi Twin Blades
• S38 Genrei Fan

  Increase max.CP by 50% but reduce max. HP by 20%.
• Apricot Pipa
• Shoe of Bounty

  Increase dodge rate and critical rate by 4%.
• Blue Pattern Skis
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• S5 Umbrella of Spiritual Pulse

  Recover CP after HP reduction. (Amount: 10% of HP reduction) Recover 5% CP every turn if current CP is less than 50%. Has 8% chance to reduce skill cooldown by 1 turn at the start of each turn. (Not effective on talent skills)
• Snowflake

  3% chance to freeze enemy who attack user (1 turn). (Frozen target cannot move but damage taken is reduced by 80%.)
• S48 Titans Hammer

  The hammer used by titans to destroy castles in ancient times. Increases attack damage by 8% and accuracy by 5%.
• S41 Dragon Gunnery

  Increase 25% Combustion chance, Ignore enemys dodge rate by 5%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)