Each of those five symbols, and the altered pack crest, were connected by a chain of trinity symbols, interconnected at the tips of each subsequent symbol.
Xu Xiyan had always wanted to get some for Huo Yunshen, but with how her grandfather hated the Huo family, she knew she had no chance. That was why she thought of this plan and got her grandfather to give Huo Yunshen some by his own will.