This Incantation is dropped by a Crucible Knight in the Stormhill Evergaol. Please note the location indicated on the map image below.

A couple of the new items even have to do with one another. If you would like to know how to get the Knight Core material in FFXIV and use it for the Queen’s Knight Barding, you’re in the ...

If you take a look at the acqueduct, you'll see the Crucible Knight holding a shield (which is the one you must kill) patrolling the zone. If you are a caster, you can kill it from there as you'll ...