As suggested, served on the rocks, and well stirred down. Intense flavours, but balanced, none predominating over the others. I like how the various liqueurs’ flavours progressively emerge, like a good scotch. Recommended.

Over a year since your comment, but just wanted to say I agree wholeheartedly. At first taste I thought I should have done an absinthe rinse then dumped, but it faded to the background as the drink went on. Only critique is the chartreuse didn't quite show up, may use faccia brutto next time and save the chartreuse for all the Last Word variations. I did use a large ice sphere, so that did contribute to the evolution (positive) as dilution increased.