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 :

• Mother's Hug (II)

  Recover 150 HP and 3% HP at the start of every turn.
• Wings of Eternal Eclipse

  Increases critical chance by 3%. Ignores 6% of the targets dodge rate.
• Scroll: Tenku
• Gummy Bear

  Restores CP by 2%. Reduce damage taken by 100.
• S13 Slaughter Giant Axe

  Increase max.HP by 20% but reduce max. CP by 35%.
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• Senior Kari Bagpack

  Reduce 3% damage taken.
• Thanksgiving Balloons

  Increase max. HP by 2%.
• Carnival Fan

  Dance with the Fan during Ninja Saga Anniversary Carnival! Increase all attack damage by 3%.
• Mech of Wing

  Reduce damage taken by 10%.
• Toxic Village Poison Potion
• S67 Omni Cloud

  Increase accuracy by 6% and dodge rate by 5%.
• Snowflake

  3% chance to freeze enemy who attack user (1 turn). (Frozen target cannot move but damage taken is reduced by 80%.)
• Golden Torch of Zeus

  Recover 150 HP every turn
• Cursed Devil

  Increase attack damage by 15%. But reduce max. HP and max. CP by 10%
• Mini Goldfish
• Universal Saber

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

  7% chance to convert damage taken to HP positively and 20% chance to absorb 1% HP of enemy who attack you.
• Wine Gourd
• S52 Gold Dragon Scroll

  Reduce damage taken by 7%. Ignore targets dodge rate by 5%.
• Love Missile

  Additional 60 HP damage upon all attack.
• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• Gold Wand

  Ignore 5% targets dodge.
• Mischievous Candy

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.
• Purple Dragon umbrella
• Holiday Doll

  Expecting Santa in every year! Critical and dodge rate increase 3%.