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 :

• New Year Kadomatsu

  Recover 100 HP and 100 CP at the start of every turn.
• Jaws

  Ignore 4% targets dodge.
• S71 Magic Clock

  Increases Max. CP by 10%. Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S49 Serpent Dragon Chakram

  An exceptional weapon crafted with serpent and dragon remains. Increases agility by 1 and accuracy by 7%.
• Wind Storm Raijinco
• Grave of the Undying

  Increase purify chance by 8%, but decrease agility by 15.
• Scroll and Blade

  Has 11% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills. Increase critical rate by 5%. 8% chances of using Jutsu without CP.
• S26 Bashosen

  Increase 10% Combustion chance.
• S74 Burning Wings

  Increases attack damage by 4% and Combustion chance by 25%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• S77 Curse Dragon

  Increases attack damage by 9% and critical damage 10%.
• Snowflake

  3% chance to freeze enemy who attack user (1 turn). (Frozen target cannot move but damage taken is reduced by 80%.)
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Karasu Miya Falcon

  Increase dodge rate by 6%.
• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• Hanami Taiko

  2011 Hanami Festival - Rhythm! Recover HP & CP by 10 every turn.
• Gold Wand

  Ignore 5% targets dodge.
• Luckey windmill

  Each turn recover 120 HP and 120 CP.
• Leopard Cat Tail
• Smart Phone
• S57 Magatama Gunbai

  Increases dodge rate by 5% and restores 4% of users max HP every turn.
• Scroll: Genbu
• S67 Omni Cloud

  Increase accuracy by 6% and dodge rate by 5%.
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.
• S68 Supreme Faerie Wings

  Recover 20% extra CP when charge. Has 10% chance to convert damage taken to HP positively.
• Blue Pattern Skis
• Gemini Halo Glyph

  Increases damage by 4%. Reduce damage taken by 65.
• Sakon Three Blades