...
Iris's essence is a Demon, and actually, she is not suitable as bait. However, this matter concerns the survival strategy of the Gliando Family, making it impossible for them to trust outsiders.
Lin Suo's arrival did not prompt them to disclose the full plan to him.
They only used his knowledge and technology to create a "[Unique·Holy Light·Evolutionary Witch Tool]"
Because such technology, he only publicly displays finished products at Padolon and never fully reveals the technical details.
Therefore, having him manufacture it personally is the safest, and there's the bond of teacher and student, coupled with Iris's strong recommendation, thus Simon decided to invite him, following Ivis's suggestion.
But Lin Suo possesses information that the Gliando Family is unaware of.
By inference, although he lacks details, he has roughly understood their plan.
