Universal Backpack

Universal Backpack's Informations in game :
Description :Increase healing power of scrolls by 100%. Each turn recover 140 HP.
Category : Back Items
Skill's Type :
Gold : 0
Token : 1000
Prestige : 0
PvP Point : 0
Merit : 0
Damage : 0
Level : 20
Cooldown : -1
Cakra Point : 0
Require Emblem : ~~YES~~
Sell Able : YES
Learn in Academy : ~~YES~~
Rarity : 5

Tag Effect
Effect	Duration	Amount	Chance
add_hp_amount	0	127	100
item_restore_bonus_present	0	100	100
item_restore_cp_bonus_present	0	100	100

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 :

Togatsuki Paper Fan
Increase max. CP by 10%.

Thanksgiving Candle
Has 15% chance to absorb 2% HP of enemy who attack you. Increase 7% Combustion chance.

S64 Twin Pinnacle Spear
Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.

Red Koi

Smoothbore Musket
Increase 10% damage.
Reduce 3% damage taken.

MegaJingleBell
A glorious Christmas artifact which can be used in battle. Ignores 5% of enemys dodge rate. Recovers 2% of users max HP every turn.

Roasted Turkey
Restore 20 HP every turn.

Steel Frame Tail

Mini Scroll

Grave of the Undying
Increase purify chance by 8%, but decrease agility by 15.

Musashi Twin Blades

Trident

Ame no Kemagatama
Increase 3% accuracy.
Additional 30 HP damage upon all attack.

Sakura Straw Hat
Recovers 2% of users max HP every turn.

Balloon Rabbit Doll
Has 8% chance to convert damage taken to HP positively.

Charming Aura (Black)
2012 Valentines day limited aura, increase critical chance 2%.

Sagittarius Hunting Set
Increases dodge rate by 4%. Additional 80 HP damage on all attacks.

Scroll: Kochin

Hanami Lantern
2011 Hanami Festival - Shine! Reduce damage taken by 15.

Shoe of Bounty
Increase dodge rate and critical rate by 4%.

Harvest Treasure Bag
Reduce damage taken by 140. Recover 5% extra CP when charge.

GM Goldfish
GM Goldfish

S46 Holy Drum
Reduce damage taken by 4%. Increase chance to restrict enemy for 1 turn by 20%. Targets with Restriction will not be able to use any skills.

Fighting spirit Taiko

Ninja Bunny Doll
Increase 2% damage and ignore 3% targets dodge.

Ultimate Taiko
Recover 120 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.