Capítulo 1776: Tracking

Date- 16 April 2321

Time- 20:47

Location- Card World, Southern Region, Blossom District, Sky Blossom City, TSR Guild Headquarters

Since Field Marshal only shared her grimoire attack page partially with Wyatt's grimoire, he could only use Corey's blood curse substitute card equipped in it. 

The blood curse substitute was a patsy made of blood curse meaning power created using Corey's blood as a medium, its soul pathway arrangments were similar to that of Corey. This was why the roots of Handsome Fox's ability never realized that they had been transferred to a substitute and were no longer in the original Corey.