First you must obtain a sealed fearless chest (Which are dropped by [Master Pet, Black Dragon, Lava Dragon, Volcano Dragon]

Once you open the chest, you will obtain a random sealed fearless equipment

You will need to go to the NPC Fear in Argent City (2211,2705)

You click on the "Exchange" to obtain [Fractured Heads, Rusted Gears and Unwanted Shields]

In my case since i am unsealing fearless boots, i need 3 Fractured heads

You will need kylin equipment for whichever part you are unsealing. 

-Fearless Armor (Requires Kylin Armor, Sealed Fearless Armor, and 3x Fractured Heads
-Fearless Gloves(Requires Kylin Gloves, Sealed Fearless Gloves, and 3x Fractured Heads
-Fearless Boots(Requires Kylin Boots, Sealed Fearless Boots, and 3x Fractured Heads

-Fearless Blade(Requires Fury Kylin Blade, Sealed Fearless Blade, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Seal(Requires Kylin seal, Sealed Fearless seal, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Staff(Requires Kylin staff, Sealed Fearless staff, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Dagger(Requires Kylin dagger, Sealed Fearless dagger, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Bow(Requires Kylin Bow, Sealed Fearless Bow, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Gun(Requires Kylin Gun, Sealed Fearless Gun, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Hammer(Requires Kylin Hammer, Sealed Fearless Hammer, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)
-Fearless Sword(Requires Kylin Blade, Sealed Fearless Sword, 1x Fractured Heads, 2x Rusted Gears, and 3x Unwanted Shields)

The npc will tell you what items you need for each peice if you forget.

and voila! fearless part equioment

Thank You,