I- If nothing else, my magic is still pretty weak so there's a chance he won't notice it when looking for your super-strong witch barriers and that'll be what catches him by surprise! [She chuckles sheepishly.

(Of course, Sayo doesn't mention that if Maul even tries to get into Clockhouse on her watch, she'll knock him out, slowly infuse him with Coldblood to keep him weak, and slowly, painfully chop his body into pieces while giving him ministrations to keep him alive as long as she can. She can't just back down from her threat, after all.)]