Using our force-controlled microprobe setup, we performed a total of 34 plating experiments to gather statistics on intrusion probability. Here, n = 11 baseline experiments were performed on pristine fractured LLZO at < 0.1 mN contact force. To quantify the likelihood of intrusion initiation, we fit an exponential power law (which has the same form as a twoparameter Weibull function) to the failure probability, commonly used in fracture mechanics .