Encounter
"I finally understand," I said.
Law nodded, he seemed to have figured out the purpose of this trial.
This wasn't a simple race to who gets the object first. But also a test of survival against very strong opponents and a disadvantageous environment.
The Blue Sun's trial was by far the most difficult. It also encompasses every aspect of every other one of the Sun's trials.
The race part portrays the ability to hunt and be hunted under pressure. And the intellectual part is to understand the hidden secrets of the Thunder Domain and utilize the tattoo to survive the Thunder.