She only had to raise her head a bit to see the look in her eyes and realize that Lenny was not lying. He could now see through her.
He now had a hold of her movement technique.
The first time she displayed it, it was difficult for his eyes to follow it, especially because of their difference in level. But as time went on and he watched the battle between her and Razor, he fully grasped it.
From the moment Lenny entered the bar and sat in between Razor and Manta, he had a rough guess of who they were.
Although he was not aware that they were Magistris, he had a rough sense of their capabilities.