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 :

• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Frost Soul Electric Guitar
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• S8 Underworld Bulwark

  A phantom shield with demon soul. Reduce damage taken by 10%.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Clear Cross

  Increase 3% purify chance. Each turn recover 150 HP and 150 CP.
• Dark Plate Twin Blades
• Turkey Balloon

  Reduce damage taken by 7%. Recover 10% extra CP when charge.
• Genin backpack (Blue)

  Double mission XP reward in level 11 to level 20.
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• Ink Cloud

  Additional 40 HP damage upon all attack.
• Decorative Rope
• Blue Crystal Wings

  Recover 15% extra CP when charge.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• S10 Frostguard's Bow

  A magical bow that has a very long range. Reduce target 8% CP on every weapon attack.
• Christmas Wreath

  Increase agility by 1 and Max HP by 1%.
• S19 Magatama Soul Barrel

  Increase 4% critical rate and ignore 4% targets dodge.
• Assault Kite

  Recover 100 HP and 80 CP at the start of every turn.
• Newbie backpack (Red)

  Double mission XP reward in level 1 to level 10.
• Golden Torch of Zeus

  Recover 150 HP every turn
• Shield of Holy Beast

  Reduce 5% damage taken. 6% chance to convert damage taken to HP positively.
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• S40 Gozen Breeze Back Item

  Recover 7% HP with every Charge.