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 :

• S4 Bladed Wings

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

  Reduces damage received by 7%. Restore 85 HP every turn.
• S60 Amber Jewel Wings

  Increases attack damage by 10% and increase 5% Combustion chance.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• S18 Kamimachi Lantern

  Increase 4% critical rate and recover HP by 1%.
• Ultimate Taiko

  Recover 120 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• War Flag: World Peace
• 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)
• 4th Anniversary Back Item

  Ninja Saga 4th Anniversary edition! Recover 50 HP and 150 CP at the start of every turn.
• Basic Jounin Battle Gear
• Cerberus's Flame

  80% chance to burn enemy who attack user - Reduce 3% HP for 2 turns.
• Swire Raijinco
• Angel Heart (Black)

  Reduce target 8% CP on every weapon attack.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• Dark Cry Raijinco
• Red Shuriken Skis
• Ame no Kemagatama

  Increase 3% accuracy.
  Additional 30 HP damage upon all attack.
• Orange Kikyo Skis
• S15 Frozen Huge Sword

  Recupera 26% extra CP en cada recarga.
• Water Shark Skis
• Hanagara Hagoita

  Increase max. HP by 3%.
• Scroll: Taiin
• Deadwood Pipa
• S10 Frostguard's Shield

  Shield of the valiant warrior Tundra. Increase agility by 2. Has 17% Chance to stun target when attack with weapon for 1 turn.
• S53 Frostfire Soul

  Increases combustion chance by 15%. Has a 10% chance to freeze enemies who attacks the user for 1 turn. Frozen targets cannot act but takes 80% reduced damage.
• Scroll: Terminated Rock