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 :

• Universal Saber

  Increases users agility by 1. Recover 150 HP at the start of every turn.
• Childhood Memories

  Mothers Day 2011 Limited Edition
• Charming Aura (Red)

  2012 Valentines day limited aura, increase all damage 2%.
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Tail of Hachibi

  Forged with chakra of the legendary tailed beast, Hachibi. Increase critical chance by 15% but reduce max. HP by 20%.
• Jaws

  Ignore 4% targets dodge.
• Scroll: Flying Phoenix
• S18 Kamimachi Lantern

  Increase 4% critical rate and recover HP by 1%.
• S25 Musha Pipa

  Increase 4% critical rate and ignore 4% targets dodge.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• Decorate Battle Umbrella
• Scroll: Tenku
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• S45 Oblivion Ward

  Increases Max. HP by 3% and Max. CP by 6%.
• Scroll: Genbu
• Love Ribbon

  Additional 40 HP damage upon all attack.
• Water Symbol Guitar
• S44 Earth Caller

  Increases attack damage by 4% and max HP by 5%.
• Spinning Wheel

  Recover user's max HP by 1% each turn. Increases user's max CP by 2%. Converts 10% of damage taken into CP.
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• Taurus Wand

  A necromantic wand with a figurehead of a bull. Used by necromancers in ancient times to amplify their power. Recover 100 HP at the start of every turn. Has a 12% chance to absorb 3% HP of enemies who attack you.
• S12 Ancient Blood Evil Gourd

  Increase max. HP by 5%. But reduce Max.CP by 1%.
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Force of Taowu

  Increases Max. HP by 4% and Max. CP by 4%.
• Tail of Kyubi

  Forged with chakra of the legendary tailed beast, Kyubi. 100% immune to Burn effect and increase 3% Combustion chance.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Samurai Painted Wood

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.