why wont my blue and black stone work?

[dubba_maups]

i have a b & b stone, and a mkb, and when i select the stone, it only has the drop and sort commands? if u klnow how to fix it, please, tell me.

[soralan]

you need 800 atp.

[LollipopLolita]

http://www.pso-world.com/sections.php?op=viewarticle&artid=302

[dubba_maups]

i have 802 atp

[VulpesMundi]

You are equipping the Monkey King Bar before trying to use the Blue-Black Stone, right? Other than that I can only think that there's a minimum level requirement that hasn't been verified yet. What level is your character and is your character a hunter?