User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-8874090-20150505154443/@comment-25385495-20150506173213

I've got a better one, but it can only be done with a full set of Relic Equipment (yes, including the weapon). It has:

Steady Hand(Edge Lore) Honed Blade(Edgemaster) Sheath Control(Readiness)

That means it has EVERY Blademaster-Exclusive skill except for Critical Draw and Speed Sharpener.