Quick Thief Revamp Question

It'll probably require a skillbook since it's a new skill. Same thing happened with Phantom Blow for Dual Blades.

Shouldn't be too difficult with instanced Zakum now.

However, would probably require maxing out on the cash shop Zakum tickets, because of "adjusted" drop rates.
(And if you can't solo it, you're going to have to buy tickets for whoever you bring along to kill it for you...)