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 :

• Grand Light Gourd

  Increase 3% damage
• Sakura wah

  Restores HP by 3% and CP by 99 each turn.
• Jaws

  Ignore 4% targets dodge.
• Mother's Hug (II)

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

  Increase max. HP by 3%.
• Ninja Snowman

  3% chance to convert damage taken to HP positively.
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• Lucky Chess

  Has 5% chance to freeze enemy who attacks user (3 turn). Frozen target cannot move but damage taken is reduced by 80%. Each turn recover 100 HP and 100 CP.
• Drum of Euphoria

  Recover 3% HP at the start of every turn, and recover 3% HP with every Charge.
• S48 Titans Hammer

  The hammer used by titans to destroy castles in ancient times. Increases attack damage by 8% and accuracy by 5%.
• S10 Frostguard's Shield

  Shield of the valiant warrior Tundra. Increase agility by 2. Has 17% Chance to stun target when attack with weapon for 1 turn.
• Virgos Eternal Wings

  Increases agility by 1. Increases users attack damage by 3%.
• S18 Evil Spirit Shield

  Reduce 14% damage taken.
• Ichimoku Gourd
• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• Falcon
• Sakura Lantern

  Increase Combustion chance by 10%.(Minimum requirement of 1 Attribute Point in Fire to activate combustion effect). Has 10% chance to absorb 2% HP of enemy who attack you.
• 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.
• S62 Black Steel Swords

  Restores 5% of users max HP.
• Sakon Three Blades
• Mousetrap

  15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Trident
• S25 Musha Pipa

  Increase 4% critical rate and ignore 4% targets dodge.
• S22 Shinnoto Monks Staff

  Increase 4% critical rate and reduces damage received by 4%.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Black Metal Hammer
• S77 Curse Dragon

  Increases attack damage by 9% and critical damage 10%.