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 :

• Mischievous Candy

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• S61 God Dragon Flag

  Increase critical rate by 6%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• Scroll: Taiin
• Clouds And Mist Raijinco
• S57 Magatama Gunbai

  Increases dodge rate by 5% and restores 4% of users max HP every turn.
• Screw Pattern Skis
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• S62 Black Steel Swords

  Restores 5% of users max HP.
• S16 Umbra Fire Wheel

  Additional 170 HP damage upon all attack.
• Venom Ghost

  Has 5% chance to convert damage taken to HP positively. Recover HP by 100 every turn.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Scroll: Posion Attack
• Iron Tortoise Shell

  Reduce damage taken by 200.
• S14 Profound Pincers

  20% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• S19 Magatama Soul Barrel

  Increase 4% critical rate and ignore 4% targets dodge.
• Ultimate Taiko

  Recover 120 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.
• Shadow Umbrella
• S81 Wheel of Glory

  Reduce damage taken by 200. Increase Combustion chance by 15%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Wooden Hammer
• Ancient Shinobi War Decorated

  Additional 60 HP damage upon all attack.
• Drum: Ako
• Shinobi Curse Battle Umbrella
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• S12 Ancient Blood Evil Gourd

  Increase max. HP by 5%. But reduce Max.CP by 1%.
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Green Koi