Thankfully, when she got close, Grace was already standing close to Clara and was checking up on her. From the look on Grace's face, there was only a trace of dislike but no animosity was mixed into his expressions. It could only mean that Clara was still unharmed.
Diana didn't stop for Clara and rushed straight towards the true source of her worries. Zach was even closer to the rhino when compared to Clara and was the most likely to be implicated by Diana's attack. Therefore, she stopped right in front of the figure she loved the most and only after scanning him from top to bottom was she able to breathe.