GM back item

GM back item's Informations in game :
Description :
Category : Back Items
Skill's Type :
Gold : 0
Token : 1
Prestige : 0
PvP Point : 0
Merit : 0
Damage : 0
Level : 1
Cooldown : -1
Cakra Point : 0
Require Emblem : ~~YES~~
Sell Able : ~~YES~~
Learn in Academy : ~~YES~~
Rarity : 6

Tag Effect
Effect	Duration	Amount	Chance
add_cp_amount_present	0	100	100
convert_fulldmg_to_hp	0	0	100
damage_bonus	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 :

Dark Secret Seal
Increases critical chance by 4%. Has 12% chance to Restrict anyone who attacks the user.

S9 Akazonke Gunbai
Increase 4% critical rate and ignore 4% targets dodge.

Carp Flag

Toxic Village Poison Potion

Christmas Stick
Increase 1% damage. Recover 3% HP with every Charge.

Scroll: Messenger (3 Days)
Increase 2% accuracy.
Reduce 20 HP damage taken.
Recover 35 HP when each turn start.

S2 Ancient Bone Claw
An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.

S22 Shinnoto Monks Staff
Increase 4% critical rate and reduces damage received by 4%.

S8 Ancient Scroll of Golden Snake
Increase all attack damage by 4%, and Decrease damage taken by 4%. But reduce critical chance by 1%.

S74 Burning Wings
Increases attack damage by 4% and Combustion chance by 25%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)

Charmed Heart
Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.

S3 Fossil of Magatama
Increase purify chance by 6%. Has 10% chance to convert damage taken to HP positively.

S45 Oblivion Ward
Increases Max. HP by 3% and Max. CP by 6%.

Mirror of Shamisen

Carrot Launcher
Increase agility by 1. (Easter 2011 Limited Edition)

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.