[He will never not be impressed -- and a tiny bit pleased -- watching her fight. But no time to gawk as she negates his spell and leaps to meet him. Were she anyone else he'd enhance the fog to grant himself cover, but with their connection and her senses it would do little good.]
[Instead he lands, murmurs, and then his shadow distorts, tendrils sprouting and racing across the floor to entangle Saber's. It's an astral spell so he thinks it should effect her somewhat; the full effect would be total immobility but for breathing and speaking, but for Saber, he'll be glad if it slows her down.]