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 :

• 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.
• Spirit Flag

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.
• Turkey Balloon

  Reduce damage taken by 7%. Recover 10% extra CP when charge.
• Sakura Gold Jewellery

  Increases users agility by 1. Restores 3% of users max HP. Has 6% chance to convert damage taken to HP positively.
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.
• S20 Empire Battle Gear

  6% chance to convert damage taken to HP positively.
• S62 Black Steel Swords

  Restores 5% of users max HP.
• 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.
• Sakura wah

  Restores HP by 3% and CP by 99 each turn.
• Senior Kari Bagpack

  Reduce 3% damage taken.
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%. But reduce critical chance by 1%.
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• Enternal Love Scroll

  Increase 5% Combustion chance and reduce 1% damage taken.
• Three-stringed Lute Guitar
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Super Rabbit Doll

  Increase damage by 9%.
• Apple Candy

  Increases damage by 5%. Has 3% chance to convert damage taken to HP positively.
• S12 Blood Evil Gourd

  Increase max. HP by 5%.
• Native Drum

  5% chance to convert damage taken to HP positively.
• S7 Gorgeous Butterfly

  Increase agility by 2. Recover 20% extra CP when charge.
• Curved Spear
• Spartan Shield

  Restore 100 HP every turn. Reduce damage taken by 5%.
• Snowflake

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

  Increases users agility by 1. Recover 150 HP at the start of every turn.
• Celestial Wood Raijinco
• Ronin Idol

  Reduce damage taken by 100 and restores 4% of users max HP.