Bestowed with knowledge from the grail did not mean the ability of using devices foreign to your time. For that very reason, Gareth had spent her time staring at this so-called ‘smartphone’ that was readily given upon arrival. It made noises and vibrated, which startled the knight rather quick whenever it made its magic. 

Definitively as scary as Sir Merlin. 

But others used their own with such ease, she had to clear her doubts before giving up and wounding up an incompetent fool.

She was pointing at the phone, a severe expression on her face.