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 :

• Axe Hammer suit

  Increases damage and accuracy by 6%. Recover 50 HP at the start of every turn.
• Great Wooden Hammer

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Sakura Fan

  Recover 20 HP and 150 CP at the start of every turn.
• Vertical Light

  Reduce 15 HP damage taken.
• S78 Wandering Soul

  Recover CP after HP reduction. (Amount: 15% of HP reduction) Recover 15% extra CP when charge.
• Karasu Miya Falcon

  Increase dodge rate by 6%.
• Golden-bound Cudgel
• S66 Dark Wings

  Remnants of a powerful dark spirit. Increases attack and critical rate by 4%. Increases accuracy by 5%.
• Scroll: Red Curse seal
• S37 Ring of Chakra Flame

  Increase attack damage by 7%.
• S53 Frostfire Soul

  Increases combustion chance by 15%. Has a 10% chance to freeze enemies who attacks the user for 1 turn. Frozen targets cannot act but takes 80% reduced damage.
• S12 Ancient Blood Evil Gourd

  Increase max. HP by 5%. But reduce Max.CP by 1%.
• S9 Warring Empire Bulwark

  A strong and sturdy shield. Reduces damage taken by 35% but reduces the user's agility by 15.
• Spirit Flag

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• Red Shell
• S42 Hanbing Hammer

  8% chance to convert damage taken to HP positively.
• Folk Folding Fan
• Leopard Cat Tail
• Toxic Mushroom

  Increases damage by 10% but the user takes 200 HP damage every turn.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• Mech of Wing

  Reduce damage taken by 10%.
• 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.
• S77 Curse Dragon

  Increases attack damage by 9% and critical damage 10%.
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.