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 :

• 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.
• FIFA Whistle

  Recover 100 CP at the start of every turn and reduces damage taken by 80.
• 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.
• Giant Copper Coins

  Increase Mission gold reward by 30%.(Mission Only)
• Musashi Twin Blades
• Fairy Wings

  Fairy wings that owned by a fairy
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Champion Cup!

  Ultimate prize for Champions.
• S25 Musha Pipa

  Increase 4% critical rate and ignore 4% targets dodge.
• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Death Wooden Coffin
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• S12 Golden Bujin Jitte

  Increase dodge rate by 10%.
• Snowflake

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

  Additional 40 HP damage upon all attack.
• S52 Gold Dragon Scroll

  Reduce damage taken by 7%. Ignore targets dodge rate by 5%.
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Python Scales Raijinco
• Scroll: Kinjutsu I
• Neptunes Healing

  Amazing power from Neptune. 3% chance to convert damage taken to HP positively and recover 3% HP at the start of every turn.
• Fighting spirit Taiko
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• Sakura Gold Jewellery

  Increases users agility by 1. Restores 3% of users max HP. Has 6% chance to convert damage taken to HP positively.
• Wings of Eternal Eclipse

  Increases critical chance by 3%. Ignores 6% of the targets dodge rate.