I have recently tooken a request by aspd.
Now a good Blademaster set doesn't have to be maximum rarity.
A good Guard type set is the Gravios X set, it already provides great guarding-like skills and can be improved further. Another good weapon to go with this armor is gun chariot+, world's end, or any long type gunlance with at least two slots but still special somehow.
Now you have 11 slots which can be used. Now get all the jewels listed below:
5 HvnlyShieldJewel(Optional , although you can have Perceive skill at the same time)
5 Perceive Jewel(Optional but really recommanded)
1 ConstitutnJewel(Required)
3 IronCurtainJewel(Optional but can't both Percieve and Auto-Guard skill)
1 Stone Wall Jewel(to go with IronCurtainJewels)
3 Strength Jewel(Optional, not really needed)
Now, we will use the decorations obtained.
1.Health+30
Tranquilizing guru
Auto-Guard
Guard Inc
Guard +1
You just used all slots but that's just all you need to get that skill set. Equip all Hvlny Shield Jewels and Perceive(Already 10) and 1 ConstitutnJewel to get rid of that one negative skill and all slots used perfectly.
2.Health 50+
Guard+2
Guard Inc
Equip all IronCurtain Jewels and stone wall jewels to get Guard +2(7 slots used)1 constitutn jewel(8)and used the rest of the slots for 3 Strength jewels which then makes all slots used perfectly.
If your and expert guarder and don't need percieve then the 2nd one is your choice but if you want to focus purly on attacking and want more rewards then go for the first choice.
If you have any ideas on how to make this better just post some replies or if you want more then tell me what kind of weapon you use and I will make a dream set for you(plus jewels).

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Offense hammer set: