There was this tacit understanding between them when they were thinking as one and moved accordingly.
On the beast's back, Iris created protection around her and Cane. So, he wouldn't be affected by the poisonous miasma, while Lou and Abby created their own shield to protect Cezi, Cedric and Zale, as they worked on their newly found ability.
It felt so strange for them, but at the same time, it almost felt like they had done this before and only needed a little bit guidance to get it done, especially when Iris had summoned the Sylph, which made it easier for them to tune to their ability, since they had the same divine power from Iris.
Meanwhile, on the beast's back, Iris felt comfortable hugging the beast's neck, its black fur was so soft, it tickled her cheeks, as she buried her face against it. From the corner of her eyes, she saw her little lights rested on the beast's ears.