Death by being killed by a mysterious otherworldly force could not be good, and Duster preferred not to die at all.

"Well...you won't be alone. We know it's dangerous, but with all of us, I think we could defend the city against it..." Yet this idea didn't sit right with him. It would just be like waking the Dark Dragon to destroy the world on the chance it will rebuild it. That was humanity's last resort, and Lucas was pushed to it only because the Pigmasks initiated the race. Better to have terrible power under the control of a pure hearted boy than an bored immortal.

"But let's leave that as a last resort. It's too risky to try right away."