If You Have Jewel of Bless and Put it to Your Item, Your Item Will Level UP with a 100% Success Rate!
If You Have Jewel of Soul and Put it to Your Item, Your Item Will Level UP WITHOUT
a 100% Success Rate! And If Fails, Your Item Will Become With 1 Level Lower! 
To Level Up Your Items From +7 to +9, You Need Jewel of Soul!
The Success Rate again AREN'T 100% So If Fails, Your ITEM WILL BECOME to +0 (Your Will Lose ALL Your Item Level!) !!
To Level UP Your Items From +9 To +11, You Gotta Go to the Chaos Machine Goblin and Must Have:
-To Make a Item +10, You Must Have Item with a LEVEL +9, a 1x Jewel of Chaos, 1x Jewel of Bless and 1x Jewel of Soul
-To Make a Item +11, You Must Have Item with a LEVEL +10, a 1x Jewel of Chaos, 2x Jewel of Bless and 2x Jewel of Soul
