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 :

• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• Shoguns Badge Gourd

  Increase Max. HP & CP by 3%
• S15 Frozen Large Sword

  Increase 7% purify chance.
• S21 Rokulin Gunbai

  Ignore enemys dodge rate by 8%.
• S10 Ancient Kikyo Umbrella

  6% chance to convert damage taken into health. But reduce Max.CP by 2%.
• Hanami Lantern

  2011 Hanami Festival - Shine! Reduce damage taken by 15.
• Water Shark Skis
• Emblem backpack (Yellow)

  Double mission XP reward in level 1 to level 20.
• Black Silver Electric Guitar
• Radish Launcher

  It will fly you to the moon! (Easter 2011 Limited Edition)
• S17 Scorching Sun Lantern

  Recover 10% cp after dealing damage.
• GM back item
• 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.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Mimosa
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• Flame Soul Electric Guitar
• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• S14 Profound Pincers

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

  Increase agility by 1. Has 15% chance to freeze enemy who attacks user (2 turns). Frozen target cannot move but damage taken is reduced by 80%.
• Vampire Cloak

  Increase healing power of scrolls by 100.
• Red Ukiyo-e Kite

  4% chance to convert damage taken to HP positively and increase max. HP by 2%.
• Victorious Crown

  Increases accuracy by 4% and recover HP by 3%. Has 13% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Mother's Hug (II)

  Recover 150 HP and 3% HP at the start of every turn.