They had managed to gain a bit more ground as they fought back to back, the process was slow but they were now close enough that Theo had a clear line of view to his soulbond who up until that moment had been doing fine without him. He watched with horror as another child inferi made it past Luna's defenses. Hermione was busy burning at least seven in one big heap that she had joined together with the sticking charm they had used on the leaves in their mouths last year. She would be no help, already dealing with several herself.