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 :

• Vampire Cloak

  Increase healing power of scrolls by 100.
• Sweet Treat

  Increase critical chance by 2% and dodge rate by 3%.
• Blue Crystal Wings

  Recover 15% extra CP when charge.
• Hidden Green Umbrella
• MegaJingleBell

  A glorious Christmas artifact which can be used in battle. Ignores 5% of enemys dodge rate. Recovers 2% of users max HP every turn.
• Virgos Eternal Wings

  Increases agility by 1. Increases users attack damage by 3%.
• Dragon Crucifix Spear
• S28 Orochi Statue

  Increase attack damage by 4%, and recover HP by 1%.
• S12 Golden Bujin Ax

  Increase attack damage by 20% but increase damage taken by 12%.
• Scroll: Terminated Rock
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• Minotaurs Horn

  Recover 350 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.
• Scroll: Fire and Earth
• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• S56 Curse Brush

  A legendary Ink Brush that has the ability to materialize drawings. Increase critical rate by 5% and accuracy by 6%.
• S26 Bashosen

  Increase 10% Combustion chance.
• Engagement Ring

  Additional 20 HP damage upon all attack.
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• Tail of Kyubi

  Forged with chakra of the legendary tailed beast, Kyubi. 100% immune to Burn effect and increase 3% Combustion chance.
• Drum: Ako
• Force of Taotie

  Reduce damage taken by 7%.
• Cupid Wing

  Increase critical chance 4% and critical damage 10%.
• 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.
• Ukon Three Blades
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• S64 Twin Pinnacle Spear

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

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.