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 :

• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• 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%.
• Snowflake

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

  Reduce target 8% CP on every weapon attack.
• Minotaurs Horn

  Recover 350 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.
• Thanksgiving Balloons

  Increase max. HP by 2%.
• S39 Spike Hammer

  Increase accuracy by 10% but reduce max. HP by 10%.
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• Super Rabbit Doll

  Increase damage by 9%.
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Falcon
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• S54 Ebony Nunchaku

  Increases damage by 7%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• Seal Nightmare Wing

  Ignore 4% targets dodge.
• Firefox Tail
• Mini Goldfish
• S22 Shinnoto Monks Staff

  Increase 4% critical rate and reduces damage received by 4%.
• S34 Wooden Name Tag

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Scarlet Sword Wheel

  Increases damage by 5% and dodge rate by 3%.
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• S12 Golden Bujin Jitte

  Increase dodge rate by 10%.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• Hanagara Hagoita

  Increase max. HP by 3%.
• Businessman Luggage
• Cheerful Snowman

  Increase Max. CP by 20%. Recover 2% HP at the start of every turn. but reduce max. HP by 12%.
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.