Tim and the team made great progress, they dug through what could be considered two to three hundred kilos of dirt, sand, and gravel. It was a great amount, and it was all the more impressive when one considered how tiny they were in this bodily form, aqus goblins were pretty small, three-foot tall mostly, so yes it was impressive.
It was Tim who did most of the work, yes, but his friends still had to help him shovel the dirt away. They carried everything in their hands, just to clear the path for the floating daggers, because the daggers themselves couldn't carry anything whatsoever, they were just used to stab through the ground. The team were all doing their part, their work, most of which featured hard, and futile physical labor, but in the end it was worth their while.